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The '''7 Subway Extension''' is a [[地下鉄|subway]] extension of the [[ニューヨーク市地下鉄|New York City Subway]]'s [[IRTフラッシング線|IRT Flushing Line]]. The extension stretches {{Template:Convert|1|mi|km}} southwest from its previous terminus at Times Square, at Seventh Avenue and 41st Street, to one new station at 34th Street and Eleventh Avenue. A second station at 10th Avenue and 41st Street was dropped from the plans in October 2007. The entirety of the extension is located within the [[ニューヨーク|New York City]] borough of [[マンハッタン|Manhattan]] and is served by the 7 local and {{Template:NYCS|7d|<7>}} express services. The extension, a key part of the [[ハドソン・ヤード|Hudson Yards]] Redevelopment Project, is expected to bring business and entertainment into the area, as well as aid redevelopment of nearby [[チェルシー (ニューヨーク)|Chelsea]] and [[ヘルズ・キッチン|Hell's Kitchen]], located around the [[ロングアイランド鉄道|Long Island Rail Road]]'s West Side Yard. The extension also serves the nearby [[ジェイコブ・ジャヴィッツ・コンベンション・センター|Jacob K. Javits Convention Center]] as well as the Hudson Yards area.
| box_width =
| name = ニューヨーク市地下鉄7号線延伸部
| image = NYCS-line-trans-Flushing.svg
| image_width = 150px
| image_alt = 路線マーク:7号線各駅停車は紫色の円、急行は紫い色の菱形に白字で 7
| caption = 7号線各駅停車・急行とも延伸部を通る。
| type = [[地下鉄]]
| system = [[ニューヨーク市地下鉄]]
| stations = [[:en:34th Street - Hudson Yards (IRT Flushing Line)|新設]] 1<br>([[:en:10th Avenue (IRT Flushing Line)|計画中]] 1)
| start = {{仮リンク|タイムズ・スクエア-42丁目駅|en|Times Square (IRT Flushing Line)}}
| end = {{仮リンク|34丁目-ハドソン・ヤード駅|en|34th Street - Hudson Yards (IRT Flushing Line)}}
| open = {{start date and age|2015|09|13}}
| owner = [[ニューヨーク市]]
| operator = [[ニューヨークシティ・トランジット・オーソリティ|ニューヨーク市都市交通局]]
| character = 地下鉄
| linelength_mi = 1.5
| notrack = 2
| gauge = 1,435mm
| el = [[直流]] 625 [[ボルト (単位)|V]] [[第三軌条方式]]
| map =
}}
'''ニューヨーク市地下鉄7号線延伸計画'''は[[ニューヨーク市地下鉄]] [[IRTフラッシング線]]の延伸計画である。 延伸部は当時の終端駅である7番街41丁目の[[:en:Times Square (IRT Flushing Line)#IRT Flushing Line platform|タイムズ・スクエア-42丁目駅]]から南西方向の11番街34丁目に新設する{{仮リンク|34丁目-ハドソン・ヤード駅|en|34th Street - Hudson Yards (IRT Flushing Line)}}に至るまでの1.6キロメートル(1マイル)の区間である。10番街41丁目に設置予定だった[[:en:10th Avenue (IRT Flushing Line)|10番街駅]]は2007年10月に計画から外された。延伸部は全区間[[ニューヨーク]]の[[マンハッタン区]]内にあり、7号線各駅停車と急行が運転される。延伸計画は[[ハドソン・ヤード]]再開発プロジェクトのキーとなっており、ビジネス利用者や観光・娯楽客を地域に取り込み、近隣の[[チェルシー (ニューヨーク)|チェルシー]]や[[ヘルズ・キッチン]]([[ロングアイランド鉄道]]ウェストサイド操車場に隣接する地区)の再開発の助けになると期待されている。また、ハドソン・ヤード地区の[[ジェイコブ・ジャヴィッツ・コンベンション・センター]]へのアクセスラインともなっている。
 
この計画はもともと2005年に提唱された[[ハドソン・ヤード]]再開発計画([[2012年夏季オリンピックの開催地選考#ニューヨーク|2012年夏季オリンピックの招致]]に合わせて[[ウェストサイド・スタジアム]]([[ニューヨーク・ジェッツ]]の本拠地としても活用)を建設する計画も含む)の一部だったが、スタジアムの建設計画をニューヨーク州議会が否決したことから延期になっていた。地下鉄の延伸工事は2007年に始まった。
The project was originally proposed in 2005 as part of the [[ハドソン・ヤード|Hudson Yards]] project, which included the failed attempt to build the West Side Stadium for the [[ニューヨーク・ジェッツ|New York Jets]] and the city's bid for the [[ロンドンオリンピック (2012年)|2012 Summer Olympics]]. Although the stadium plan was rejected by the state legislature, the rest of the [[ハドソン・ヤード|Hudson Yards]], including the 7 subway extension plan went forward. Construction on the extension started in 2007.
 
延伸線の開業はもともと2013年12月の予定だったが、何度も延期された。2014年1月に{{仮リンク|MTAキャピタル・コンストラクション|en|MTA Capital Construction}}の社長であった{{仮リンク|マイケル・ホロドニチアヌ|en|Michael Horodniceanu}})は斜行エレベーターの設置が難航しており、開業は夏の終わりから初秋ごろまで遅れるだろうとした。2014年2月にはこの理由で2014年11月の開業とされた。しかし2014年6月にはホロドニチアヌは MTA 取締役会で斜行エレベーターとエスカレーターの問題に加えて、トンネル内の換気ファンの振動が大きいことが分かり開業はさらに遅れる見通しであると述べた。2014年12月には MTA から2015年2月に開業すると発表されたが、さまざまな問題が残っており開業はさらに遅れていった。2015年3月に MTA は2015年夏に開業すると発表し、最終的な開業日は2015年9月13日になった。
The extension's opening was pushed back multiple times from its original intended start date of December 2013. In January 2014, Michael Horodniceanu, chief of MTA Construction Company, stated that complications in the installation of the inclined elevator would likely cause a delay until late summer or early fall of 2014. The same reason was given in February 2014 to push back the projected date of the opening to November 2014. In June 2014, Horodniceanu told the MTA board that, in addition to problems with the inclined elevator and escalators at the station, the ventilation fans along the tunnel were experiencing problems with vibrations, further delaying the projected opening. In December 2014, the MTA announced that it intended to open the extension to the public in February 2015 and offered financial incentives in return for a timely opening, but the opening was further delayed because of a variety of problems. In March 2015, the MTA announced a delay to summer 2015. The extension opened to the public on September 13, 2015.
 
==建設に至るまでの経緯==
== Historical context ==
[[File:7 subway extension and hudson yards.svg|upright=1.5|thumb|left|alt=延伸部の路線図。タイムズ・スクエアから11番街と34丁目の交差点まで伸びている。|マンハッタン周辺の地下鉄路線図。未建設の[[:en:10th Avenue (IRT Flushing Line)|10番街駅]]も描かれている。紫の実線はフラッシング線の既存区間、紫の破線が延伸区間である。青の破線は{{仮リンク|34丁目-ハドソン・ヤード駅|en|34th Street - Hudson Yards (IRT Flushing Line)}}南側の留置線である。]]
[[ファイル:7_subway_extension_and_hudson_yards.svg|alt=A map of the subway extension, showing that the extension goes from Times Square to the intersection of 11th Avenue and 34th Street.|left|thumb|Map of the Manhattan portion of the Flushing Line, and nearby subway lines. The unbuilt 10th Avenue station is shown. The solid purple segment represents the pre-existing portion of the Flushing Line, while the dashed purple segment represents the new portion of the Flushing Line, and the dashed blue segment represents storage tracks south of 34th Street – Hudson Yards.]]
Proposals to extend the transit system to the Far West Side to support massive redevelopment were floated as early as 1969, when the New York City Planning Commission's (CPC's) master plan proposed to expand midtown westward along a 48th Street transit line to replace what the plan described as "blocks of antiquated and deteriorating structures of every sort" between Eighth and Twelfth avenues.<ref>{{Template:Cite web|url=http://query.nytimes.com/gst/abstract.html?res=9E0DE4D7143BEE34BC4053DFB467838B669EDE|title=6TH AND LAST PART OF MASTER PLAN ON CITY RELEASED; Volume on Manhattan Urges Building of Offices Along 48th St. Transit Line WESTWARD PATTERN SET Condemnation of Big Tracts Intended to Insure Public Use of Some of Area|accessdate=2015-09-20|date=1970-12-08|last=Stern|first=Michael|website=The New York Times}}</ref> That proposal for the West 40s and 50s streets failed after voters rejected a state bond issue that would have financed the proposed new east-west transit line or "people mover."<ref>Richard Witkin, [http://query.nytimes.com/gst/abstract.html?res=9901E4DC1038EF34BC4C53DFB767838A669EDE "State Will Cancel Some Road Projects,"] New York Times, Nov. 4, 1971.</ref> Subsequently, attention shifted to the West 30s and the [[IRTフラッシング線|IRT Flushing Line]].
 
市内深西部の再開発を推進するため都市交通システムを延伸する案は1969年には持ち上がっており、{{仮リンク|ニューヨーク市都市計画局|en|New York City Planning Commission}} (CPC) のマスタープランでは、ミッドタウンを48丁目の通りに沿って西側に拡張し、8番街から12番街にかけて立ち並ぶ「ありとあらゆる種類の時代遅れで老朽化した建物からなるブロック」を建て替えるとしていた<ref>{{cite web | last=Stern | first=Michael | title=6TH AND LAST PART OF MASTER PLAN ON CITY RELEASED; Volume on Manhattan Urges Building of Offices Along 48th St. Transit Line WESTWARD PATTERN SET Condemnation of Big Tracts Intended to Insure Public Use of Some of Area | website=The New York Times | date=1970-12-08 | url=http://query.nytimes.com/gst/abstract.html?res=9E0DE4D7143BEE34BC4053DFB467838B669EDE | accessdate=2015-09-20}}</ref>。しかし、市西部の40丁目から50丁目界隈の再開発プランは東西方向の路線新設のための州債発行が否決されて頓挫してしまい<ref>Richard Witkin, [http://query.nytimes.com/gst/abstract.html?res=9901E4DC1038EF34BC4C53DFB767838A669EDE "State Will Cancel Some Road Projects,"] New York Times, Nov. 4, 1971.</ref>、結果として世間の注目は30丁目界隈と[[IRTフラッシング線]]に向けられることになった。
In response to the CPC's 1993 proposal to improve access to the Manhattan Central Business District,<ref>Department of City Planning, [http://www.nyc.gov/html/rabrc/downloads/pdf/dcp_shaping_the_citys_futuresmall.pdf "Shaping the City's Future,"] 1993.</ref> the [[メトロポリタン・トランスポーテーション・オーソリティ|Metropolitan Transportation Authority]] (MTA) began exploring the possibility of a 7 extension to New Jersey.<ref name="olympic2012-won">{{Template:Cite web|url=http://wagner.nyu.edu/files/faculty/publications/Olympics_in_NYC_2012_REPORT_110711.pdf|title=HOW NEW YORK CITY WON THE OLYMPICS|accessdate=September 11, 2015|author=Mitchell L. Moss|date=November 2011|work=Rudin Center for Transportation Policy and Management, Robert F. Wagner Graduate School of Public Service|publisher=[[New York University]]}}</ref> In 2001, a business and civic group convened by Senator Charles Schumer argued that a westward extension of the Midtown office district could not be accomplished without a subway extension, saying:<ref name="future2001">{{Template:Cite book|title=Preparing for the Future: A Commercial Development Strategy for New York City : Final Report|url=http://www.scribd.com/doc/118950748/Group-of-35-Report-June-2001|year=2001|publisher=Group of 35|page=56|accessdate=September 12, 2015}}</ref>
 
CPC の1993年の提言を受けてマンハッタン・[[セントラル・ビジネス・ディストリクト]]へのアクセスを改善するため<ref>Department of City Planning, [http://www.nyc.gov/html/rabrc/downloads/pdf/dcp_shaping_the_citys_futuresmall.pdf "Shaping the City's Future,"] 1993.</ref>、MTA は7号線をニュージャージー州まで延伸する可能性について検討を始めた<ref name="olympic2012-won">{{cite web |url=http://wagner.nyu.edu/files/faculty/publications/Olympics_in_NYC_2012_REPORT_110711.pdf |title=HOW NEW YORK CITY WON THE OLYMPICS |publisher=[[ニューヨーク大学|New York University]] |work=Rudin Center for Transportation Policy and Management, Robert F. Wagner Graduate School of Public Service |date=November 2011 |accessdate=September 11, 2015 |author=Mitchell L. Moss}}</ref>。2001年にはチャールズ・シューマー上院議員は企業や市民団体を集めて「ミッドタウンのオフィス街を西側に拡張するには地下鉄の延伸が必要である」と主張した<ref name=future2001>{{cite book |title=Preparing for the Future: A Commercial Development Strategy for New York City : Final Report |publisher=Group of 35 |year=2001 |url=http://www.scribd.com/doc/118950748/Group-of-35-Report-June-2001 |accessdate=September 12, 2015 |page=56}}</ref>。
An extension of the Flushing Line was then proposed as part of the New York City bid for the 2012 Summer Olympics.<ref name="hydc2">{{Template:Cite web|url=http://www.hydc.org/html/project/subway.shtml|title=No. 7 Subway Extension|accessdate=July 3, 2013|author=<!--Staff writer(s); no by-line.-->|date=|publisher=|website=Hudson Yards Development Corporation}}</ref><ref name="hp20130207">{{Template:Cite news|last1=Dobnik|last2=|first1=Verena|first2=|date=February 7, 2013|title=NYC Transit Projects: East Side Access, Second Avenue Subway, and 7 Train Extension|url=http://www.huffingtonpost.com/2013/02/07/nyc-subway-underground-rail-second-avenue-subway_n_2637601.html|publisher=[[Huffington Post]]|accessdate=July 24, 2013|website=Huffington Post}}</ref> The City wanted to get funding before July 2005, at which time the [[国際オリンピック委員会|International Olympic Committee]] would vote on funding. However, due to shortfalls in the MTA's Capital Program, as well as preexisting funding for the [[2番街地下鉄|Second Avenue Subway]] and [[イースト・サイド・アクセス|East Side Access]], the MTA could not pay to fund the extension.<ref name="olympic2012-won">{{Template:Cite web|url=http://wagner.nyu.edu/files/faculty/publications/Olympics_in_NYC_2012_REPORT_110711.pdf|title=HOW NEW YORK CITY WON THE OLYMPICS|accessdate=September 11, 2015|author=Mitchell L. Moss|date=November 2011|work=Rudin Center for Transportation Policy and Management, Robert F. Wagner Graduate School of Public Service|publisher=[[New York University]]}}</ref> After a proposal for the West Side Stadium, an Olympic stadium to be located above the nearby West Side Yard, was rejected in 2005,<ref>{{Template:Cite web|url=http://www.nytimes.com/2005/06/07/nyregion/olympic-bid-hurt-as-new-york-fails-in-west-side-stadium-quest.html|title=Olympic Bid Hurt as New York Fails in West Side Stadium Quest|accessdate=September 12, 2015|date=June 7, 2005|last=Bagli|first=Charles V.|last2=Cooper|first2=Michael|website=The New York Times}}</ref> New York City quickly lost their Olympic bid.<ref>{{Template:Cite web|url=http://www.wnyc.org/story/84177-new-york-comes-in-a-disappointing-fourth-place/?utm_source=sharedUrl&utm_medium=metatag&utm_campaign=sharedUrl|title=New York Comes in a Disappointing Fourth Place|accessdate=September 12, 2015|date=July 6, 2005|website=WNYC}}</ref> However, in a report entitled ''No. 7 Subway Extension&nbsp;– Hudson Yards Rezoning and Development Program'', the [[ニューヨーク市政府|government of New York City]], devised a rezoning plan for the Hudson Yards area and proposed two new subway stations to serve that area.<ref>{{Template:Cite web|url=http://www.nyc.gov/html/dcp/pdf/hyards/hy_chap11_g2_fgeis_final.pdf|title=NO. 7 SUBWAY EXTENSION-HUDSON YARDS REZONING AND DEVELOPMENT PROGRAM|accessdate=26 September 2015|publisher=nyc.gov}}</ref> The subway extension was approved<ref name="olympic2012-won">{{Template:Cite web|url=http://wagner.nyu.edu/files/faculty/publications/Olympics_in_NYC_2012_REPORT_110711.pdf|title=HOW NEW YORK CITY WON THE OLYMPICS|accessdate=September 11, 2015|author=Mitchell L. Moss|date=November 2011|work=Rudin Center for Transportation Policy and Management, Robert F. Wagner Graduate School of Public Service|publisher=[[New York University]]}}</ref> following the successful rezoning of about 60 blocks from 28th to 43rd Streets, which became the [[ハドソン・ヤード|Hudson Yards]] neighborhood.<ref>{{Template:Cite news|last=Purnick|first=Joyce|date=January 2, 2005|newspaper=The New York Times|title=What Rises in the West? Uncertainty|url=http://www.nytimes.com/2005/01/20/nyregion/20matters.html|accessdate=March 6, 2010}}</ref>
 
{{quote|市西端部までは徒歩だと20分もかかる。しかも、[[グランド・セントラル駅]]やマンハッタンの東側から西端部まで通じる便利な路線がなく、[[マンハッタン区]]や[[クイーンズ区]]、[[ウエストチェスター郡 (ニューヨーク州)|ウエストチェスター郡]]、[[コネチカット州]]からの通勤は困難である<ref name=future2001/>。}}
Mayor [[マイケル・ブルームバーグ|Michael Bloomberg]]'s December 12, 2006, address to the New York League of Conservation Voters noted that in November 2006, the government began issuing bonds to fund the extension of the 7 subway to Eleventh Avenue and 34th Street.<ref>{{Template:Cite news|last=Hinderer|first=Katie|date=December 13, 2006|work=GlobeSt.com|title=NYC Mayor Outlines Long-Term Growth Plan|url=http://www.globest.com/news/801_801/newyork/151373-1.html|accessdate=February 28, 2010}}</ref> The $2.4 billion extension was funded with New York City funds from municipal Tax Increment Financing (TIF) bond sales that are expected to be repaid with property tax revenues from future developments in areas served by the extension.<ref>{{Template:Cite news|date=December 7, 2006|work=[[NY1]]|title=City Raises $2 Billion In Bonds For No. 7 Line Extension|url=http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=64913|accessdate=February 28, 2010}}</ref>
 
フラッシング線の延伸は[[2012年夏季オリンピックの開催地選考|2012年夏季オリンピックの招致]]の一環で提案されたものである<ref name=hydc2>{{cite web |url=http://www.hydc.org/html/project/subway.shtml |title=No. 7 Subway Extension |author=<!--Staff writer(s); no by-line.--> |date= |website=Hudson Yards Development Corporation |publisher= |accessdate=July 3, 2013}}</ref><ref name=hp20130207>{{cite news |url=http://www.huffingtonpost.com/2013/02/07/nyc-subway-underground-rail-second-avenue-subway_n_2637601.html |title=NYC Transit Projects: East Side Access, Second Avenue Subway, and 7 Train Extension |last1=Dobnik |first1=Verena |last2= |first2= |date=February 7, 2013 |website=Huffington Post |publisher=[[ハフィントン・ポスト|Huffington Post]] |accessdate=July 24, 2013}}</ref>。ニューヨーク市は2005年7月の[[国際オリンピック委員会|IOC]]総会の前には建設資金を確保しておくことを望んでいたが、MTA の投資計画では既に[[IND2番街線|2番街線]]や[[イースト・サイド・アクセス]]への投資が決まっていたため、フラッシング線延伸の資金を捻出することができなかった<ref name="olympic2012-won"/>。オリンピックスタジアムとなる[[ウェストサイド・スタジアム]]は{{仮リンク|ウェストサイド操車場|en|West Side Yard}}のすぐ近くに建設される予定であったが、2005年に州議会が建設を否決したため取りやめになった<ref>{{cite web |last=Bagli |first=Charles V. |last2=Cooper |first2=Michael |title=Olympic Bid Hurt as New York Fails in West Side Stadium Quest |website=The New York Times |date=June 7, 2005 |url=http://www.nytimes.com/2005/06/07/nyregion/olympic-bid-hurt-as-new-york-fails-in-west-side-stadium-quest.html |accessdate=September 12, 2015}}</ref>。このため、ニューヨークはオリンピック開催地の選から漏れてしまった<ref>{{cite web |title=New York Comes in a Disappointing Fourth Place |website=WNYC |date=July 6, 2005 |url=http://www.wnyc.org/story/84177-new-york-comes-in-a-disappointing-fourth-place/?utm_source=sharedUrl&utm_medium=metatag&utm_campaign=sharedUrl |accessdate=September 12, 2015}}</ref>。しかし、[[ニューヨーク市政府]]は''No. 7 Subway Extension&nbsp;- Hudson Yards Rezoning and Development Program''というレポートの中でハドソン・ヤード地区の区画整理や地下鉄の新駅設置を提言しており<ref>{{cite web | url=http://www.nyc.gov/html/dcp/pdf/hyards/hy_chap11_g2_fgeis_final.pdf | title=NO. 7 SUBWAY EXTENSION-HUDSON YARDS REZONING AND DEVELOPMENT PROGRAM | publisher=nyc.gov | accessdate=26 September 2015}}</ref>、[[ハドソン・ヤード]]近隣の28丁目から43丁目までの約60ブロックの区画整理<ref>{{cite news |title=What Rises in the West? Uncertainty |first=Joyce |last=Purnick |url=http://www.nytimes.com/2005/01/20/nyregion/20matters.html |newspaper=The New York Times |date=January 2, 2005 |accessdate=March 6, 2010}}</ref>と、それに続く地下鉄の延伸計画が承認された<ref name="olympic2012-won"/>。
== Construction progress ==
In October 2007, the [[メトロポリタン・トランスポーテーション・オーソリティ|Metropolitan Transportation Authority (MTA)]] awarded a $1.145 billion contract to build <span contenteditable="false">7,000 feet (2,100</span>&nbsp;<span contenteditable="false">m)</span> of twin-tube tunnel from the 7 train's then-terminus at Times Square to the then-planned shell of the 34th Street – Hudson Yards station. The contract was awarded to S3, a joint venture of J.F. Shea, Skanska USA Civil, and Schiavone.<ref name="ny1-2007-10-25">{{Template:Cite news|date=October 25, 2007|work=[[NY1]]|title=Transit Board Approves Funding For 7 Line Extension|url=http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=74957|accessdate=February 28, 2010}}</ref><ref>{{Template:Cite web|url=http://newyork.construction.com/projects/TopProjects06-08/1-5.pdf|title=Top New York Projects|accessdate=February 28, 2010|date=June 2008|format=PDF|work=New York Construction|page=27}}</ref><ref>{{Template:Cite press release|publisher=[[Mayor of New York City|New York City Mayor's Office]]|date=December 3, 2007|title=Mayor Bloomberg and Governor Spitzer Announce Start of Construction on #7 Subway Extension|url=http://www.nyc.gov/html/om/html/2007b/pr437-07.html|accessdate=February 28, 2010}}</ref> The extension's construction was overseen by the MTA's Capital Construction division.<ref name="hp20130207">{{Template:Cite news|last1=Dobnik|last2=|first1=Verena|first2=|date=February 7, 2013|title=NYC Transit Projects: East Side Access, Second Avenue Subway, and 7 Train Extension|url=http://www.huffingtonpost.com/2013/02/07/nyc-subway-underground-rail-second-avenue-subway_n_2637601.html|publisher=[[Huffington Post]]|accessdate=July 24, 2013|website=Huffington Post}}</ref> Dattner Architects, designed the 34th Street station.<ref name="dattner">{{Template:Cite web|url=http://www.tienyi.com/rda/trans6.html|title=No. 7 Subway Line Extension|accessdate=February 28, 2010|work=Dattner Architects|archiveurl=http://web.archive.org/web/20120315212612/http://www.tienyi.com/rda/trans6.html|archivedate=March 15, 2012}}</ref> After excavating the new terminal's shell and creating the first <span contenteditable="false">1,000 feet (300</span>&nbsp;<span contenteditable="false">m)</span> of tunnel using the drill-and-blast method, S3 placed two [[トンネルボーリングマシン|tunnel-boring machines]] (TBMs) in the ground to dig the remaining <span contenteditable="false">6,000 feet (1,800</span>&nbsp;<span contenteditable="false">m)</span>; as it dug, each TBM placed precast concrete liner segments to create the tunnel interior.<ref name="dattner">{{Template:Cite web|url=http://www.tienyi.com/rda/trans6.html|title=No. 7 Subway Line Extension|accessdate=February 28, 2010|work=Dattner Architects|archiveurl=http://web.archive.org/web/20120315212612/http://www.tienyi.com/rda/trans6.html|archivedate=March 15, 2012}}</ref>
 
2006年12月12日に[[マイケル・ブルームバーグ]]市長はリベラル系[[利益団体|圧力団体]]の{{仮リンク|自然保護のための有権者行動連盟|en|League of Conservation Voters}}に対して2006年11月から7号線を11番街34丁目に延伸する費用を賄うための市債の発行を始めたと述べた<ref>{{Cite news |title=NYC Mayor Outlines Long-Term Growth Plan |first=Katie |last=Hinderer |url=http://www.globest.com/news/801_801/newyork/151373-1.html |work=GlobeSt.com |date=December 13, 2006 |accessdate=February 28, 2010}}</ref>。24億ドルの延伸資金は、延伸区間の開発により期待される固定資産税の税収を整備費にあてる{{仮リンク|増加税収財源措置|en|Tax increment financing}}債(TIF債)を販売することで調達された<ref>{{Cite news |title=City Raises $2 Billion In Bonds For No. 7 Line Extension |url=http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=64913 |work=[[NY1]] |date=December 7, 2006 |accessdate=February 28, 2010}}</ref>。
Early on in the project, it was announced that the new stations would feature [[ホームドア|platform screen doors]].<ref>{{Template:Cite news|date=September 8, 2007|work=[[NY1]]|title=MTA Plans To Install Platform Doors On 7 Line Extension|url=http://www.ny1.com/ny1/content/index.jsp?stid=1&aid=73389|accessdate=February 28, 2010}}</ref> The stations (along with the new South Ferry station on the [[IRTブロードウェイ-7番街線|IRT Broadway – Seventh Avenue Line]] and the three Phase 1 [[2番街地下鉄|Second Avenue Subway]] stations in the [[アッパー・イースト・サイド|Upper East Side]]) would include special air-cooling systems to reduce the temperature along platforms.<ref>{{Template:Cite news|last=Donohue|first=Pete|date=August 4, 2006|newspaper=[[Daily News (New York)|Daily News]]|title=Cooler Subways Coming – Eventually|url=http://www.nydailynews.com/archives/news/2006/08/04/2006-08-04_cooler_subways_coming_-_even.html|location=New York|accessdate=February 28, 2010}}</ref> Due to its depth, the extension has ventilation towers, rather than the ventilation grates ubiquitous in the rest of the subway system.<ref>{{Template:Cite news|author=Roberts, Sam|date=September 30, 2013|work=New York Times|title=No Heel Hazards (or Gusts) as Subway Expands|url=http://www.nytimes.com/2013/10/01/nyregion/second-ave-subway-line-wont-have-sidewalk-ventilation-grates.html?partner=rss&emc=rss&_r=1&|location=New York|accessdate=May 5, 2014}}</ref>
 
==建設の進捗==
However, in October 2007, soon after the announcement of the new extension, the 10th Avenue station was canceled due to an overrun of the $2.4 billion budget,<ref name="ny1-2007-10-25">{{Template:Cite news|date=October 25, 2007|work=[[NY1]]|title=Transit Board Approves Funding For 7 Line Extension|url=http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=74957|accessdate=February 28, 2010}}</ref> and the MTA did not have an extra $500 million to build the 10th Avenue station.<ref>{{Template:Cite web|url=http://www.nytimes.com/2007/10/20/nyregion/20mta.html|title=Higher Costs Force Cutback in Extension of the No. 7 Line|accessdate=2015-09-28|date=2007-10-20|last=Neuman|first=William|website=The New York Times}}</ref><ref>{{Template:Cite web|url=http://www.nypost.com/seven/10202007/news/regionalnews/mta__its_westward_ho_ld_on_a_e.htm|title=MTA: IT'S WESTWARD HO(LD ON A $EC) FOR NO. 7 TRAIN|date=2007-10-21|archiveurl=http://web.archive.org/web/20071021085350/http://www.nypost.com/seven/10202007/news/regionalnews/mta__its_westward_ho_ld_on_a_e.htm|archivedate=2015-09-28|last=Olshan|first=Jeremy|website=Internet Archive|deadurl=yes}}</ref> On December 3, 2007, the MTA conducted a ceremony at the Times Square subway station marking the launch of construction of the 7 train extension. The contractor began excavating the station cavern adjacent to the Javits Convention Center. <ref>{{Template:Cite web|url=http://www.amny.com/news/local/transportation/am-sevenline1203,0,1144363.story?coll=amny_home_rail_headlines|title=MTA starts work on No. 7 train extension|date=2007-12-14|archiveurl=http://web.archive.org/web/20071214105206/http://www.amny.com/news/local/transportation/am-sevenline1203,0,1144363.story?coll=amny_home_rail_headlines|archivedate=2015-09-28|website=AM New York|deadurl=yes}}</ref> One physical hindrance to the construction of the extension was the lower-level platform at 42nd Street – Port Authority Bus Terminal on the [[IND8番街線|IND Eighth Avenue Line]]. The abandoned platform was partially razed to allow the 7 train extension to be built.<ref>{{Template:Cite news|last=Mindlin|first=Alex|date=April 20, 2008|newspaper=[[The New York Times]]|title=No Whoosh, No ‘All Aboard’|url=http://www.nytimes.com/2008/04/20/nyregion/thecity/20port.html|accessdate=February 28, 2010}}</ref>
[[ファイル:Subway_Ground.jpg|alt=An aerial view of a construction site for the extension, with buildings surrounding it.|right|thumb|Overview of subway construction area with arrows pointing to the entrances. (Left arrow points to main 34th Street entrance; right arrow, secondary 35th Street entrance.)]]
In June 2008, construction on the tunnels began along Eleventh Avenue in Manhattan.<ref>{{Template:Cite press release|title=Easy-to-Install CertainTeed Certa-Lok Yelomine Offers Ideal Solution for Temporary Water Lines for Metropolitan Transportation Authority’s No. 7 Subway Extension|publisher=CertainTeed|date=January 25, 2011}}</ref> In February 2009, S3 lowered the first of two tunnel-boring machine into a giant shaft at the corner of 25th Street and Eleventh Avenue. The two boring machines dug parallel <span contenteditable="false">7,100-foot (2,200</span>&nbsp;<span contenteditable="false">m)</span> long tunnels north along Eleventh Avenue to the current terminus of the 7 service at 41st Street and Times Square.<ref>{{Template:Cite press release|publisher=[[Metropolitan Transportation Authority (New York)|Metropolitan Transportation Authority]]|date=February 19, 2009|title=Metropolitan Transportation Authority And Mayor Bloomberg Preside Over Lowering Of Tunnel Boring Machine For 7 Line Subway Extension|url=http://www.mta.info/mta/news/releases/?en=090219-HQ6|accessdate=February 28, 2010|archiveurl=http://web.archive.org/web/20101218172917/http://www.mta.info/mta/news/releases/?en=090219-HQ6|archivedate=December 18, 2010}}</ref> The MTA posted a construction update with photographs on its website in November 2008, showing substantial progress.<ref>{{Template:Cite web|url=http://web.mta.info/capconstr/7ext/construction.htm|title=Construction Update — November 2008|accessdate=August 27, 2009|work=[[Metropolitan Transportation Authority (New York)|Metropolitan Transportation Authority]]|archiveurl=http://web.archive.org/web/20091005130303/http://web.mta.info/capconstr/7ext/construction.htm|archivedate=October 5, 2009 <!--Staff writer(s); no by-line.-->|deadurl=no}}</ref>
 
2007年10月に[[メトロポリタン・トランスポーテーション・オーソリティ|ニューヨーク州交通局]]は11億4000万ドルで7号線の終着駅であるタイムズ・スクエア-42丁目駅から新設する 34丁目-ハドソン・ヤード駅までの間に {{convert|7000|ft|m|disp=flip}}の複線トンネルを建設する予算を獲得し、 建設工事契約を S3(J.F. Shea, [[:en:Skanska|Skanska]] USA Civil、Schiavone の共同事業体)との間で締結した<ref name="ny1-2007-10-25">{{Cite news |title=Transit Board Approves Funding For 7 Line Extension |url=http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=74957 |work=[[NY1]] |date=October 25, 2007 |accessdate=February 28, 2010}}</ref><ref>{{cite web |url=http://newyork.construction.com/projects/TopProjects06-08/1-5.pdf |title=Top New York Projects |date=June 2008 |page=27 |work=New York Construction |format=PDF |accessdate=February 28, 2010}}</ref><ref>{{cite press release |publisher=[[ニューヨーク市長|New York City Mayor's Office]] |date=December 3, 2007 |title=Mayor Bloomberg and Governor Spitzer Announce Start of Construction on #7 Subway Extension |url=http://www.nyc.gov/html/om/html/2007b/pr437-07.html |accessdate=February 28, 2010}}</ref>。工事は MTAキャピタル・コンストラクションが監督<ref name=hp20130207/>し、34丁目-ハドソン・ヤード駅の設計はダトナー・アーキテクツ(Dattner Architects)が担当した<ref name="dattner">{{cite web |url=http://www.tienyi.com/rda/trans6.html |title=No. 7 Subway Line Extension |work=Dattner Architects |accessdate=February 28, 2010 |archiveurl=http://web.archive.org/web/20120315212612/http://www.tienyi.com/rda/trans6.html |archivedate=March 15, 2012}}</ref>。S3 は発破工法で新駅部分とトンネル区間の最初の {{convert|1000|ft|m|disp=flip}} を掘削した後、[[トンネルボーリングマシン]](TBM)2基を投入して残りの {{convert|6000|ft|m|disp=flip}} の掘削を開始した<ref name="dattner"/>。
The MTA completed excavation of a <span contenteditable="false">150-foot (46</span>&nbsp;<span contenteditable="false">m)</span> long cavern in June 2009. The cavern was dug below the bus entrance ramp to the lower level of the [[ポート・オーソリティ・バスターミナル|Port Authority Bus Terminal]] and formed part of the eastern end of the new extension and connected it to the Times Square station. At the same time, tunnels were being dug northward from the machine shaft at 26th Street; soft ground at 27th and 28th Street required <span contenteditable="false">300 feet (91</span>&nbsp;<span contenteditable="false">m)</span> of ground to be frozen so that the tunnel-boring machines could easily dig through the soil.<ref>{{Template:Cite web|url=http://www1.nyc.gov/office-of-the-mayor/news/544-09/mayor-bloomberg-mta-completion-first-phase-number-7-subway-extension|title=Mayor Bloomberg And Mta Announce Completion Of First Phase Of Number 7 Subway Extension|accessdate=June 9, 2014|date=December 21, 2009|work=[[Government of New York City|NYC.gov]]}}</ref> On December 21, 2009, it was announced that a tunnel-boring machine broke through the 34th Street station cavern wall.<ref>{{Template:Cite web|url=http://www1.nyc.gov/office-of-the-mayor/news/544-09/mayor-bloomberg-mta-completion-first-phase-number-7-subway-extension|title=Mayor Bloomberg and MTA Announce Completion of First Phase of Number 7 Subway Extension|accessdate=2015-09-28|website=The official website of the City of New York}}</ref><ref>{{Template:Cite news|date=December 21, 2009|work=[[NY1]]|title=West Side Development Project Gets The Green Light|url=http://web.archive.org/web/20120407015716/http://bronx.ny1.com/content/news_beats/transit/110795/west-side-development-project-gets-the-green-light|accessdate=February 28, 2010}}</ref> Both tunnel-boring machines were scheduled to finish the required tunneling in the spring of 2010.<ref>{{Template:Cite news|last=Cuza|first=Bobby|date=February 19, 2009|work=[[NY1]]|title=Crews Lower Giant Drill Into 7 Line Tunnel|archiveurl=http://web.archive.org/web/20090505113516/http://www.ny1.com/content/news_beats/transit/94220/crews-lower-giant-drill-into-7-line-tunnel/Default.aspx|url=http://www.ny1.com/content/news_beats/transit/94220/crews-lower-giant-drill-into-7-line-tunnel/Default.aspx|accessdate=February 28, 2010|archivedate=May 5, 2009}}</ref>
 
計画段階初期には、新駅には[[ホームドア]]が設置されることになっていた<ref>{{Cite news |title=MTA Plans To Install Platform Doors On 7 Line Extension |url=http://www.ny1.com/ny1/content/index.jsp?stid=1&aid=73389 |work=[[NY1]] |date=September 8, 2007 |accessdate=February 28, 2010}}</ref>。 また、駅には冷房装置が設置されることになっていた([[IRTブロードウェイ-7番街線]] の{{仮リンク|サウス・フェリー駅 (IRTブロードウェイ-7番街線)|en|South Ferry (IRT Broadway - Seventh Avenue Line)|label=サウス・フェリー駅}}や[[IND2番街線]]の第1期区間の3駅にはプラットホームの気温を下げるため冷房装置が設置される予定であった)<ref>{{Cite news |title=Cooler Subways Coming - Eventually |first=Pete |last=Donohue |url=http://www.nydailynews.com/archives/news/2006/08/04/2006-08-04_cooler_subways_coming_-_even.html |newspaper=[[デイリーニューズ (ニューヨーク)|Daily News]] |location=New York |date=August 4, 2006 |accessdate=February 28, 2010}}</ref>。延伸区間は地下深くにあるため、他の路線で一般的な換気口の代わりに換気塔が設けられた。<ref>{{cite news |url=http://www.nytimes.com/2013/10/01/nyregion/second-ave-subway-line-wont-have-sidewalk-ventilation-grates.html?partner=rss&emc=rss&_r=1& |title=No Heel Hazards (or Gusts) as Subway Expands |work=New York Times |date=September 30, 2013 |accessdate=May 5, 2014 |author=Roberts, Sam |location=New York}}</ref>。
In June 2010, one of the TBMs completed its tunnel at the cavern.<ref name="mta20100612">{{Template:Cite news|date=June 11, 2010|work=[[Metropolitan Transportation Authority (New York)|Metropolitan Transportation Authority]]|title=New Milestone for No. 7 Subway Extension Project|archiveurl=http://web.archive.org/web/20100613001706/http://www.mta.info/news/stories/?story=74|url=http://www.mta.info/news/stories/?story=74|accessdate=June 12, 2010|archivedate=June 13, 2010}}</ref> The second TBM broke through the wall of the cavern on July 15, 2010, completing its tunneling operation.<ref name="mta20100715">{{Template:Cite news|date=July 15, 2010|work=[[Metropolitan Transportation Authority (New York)|Metropolitan Transportation Authority]]|title=New Milestone for No. 7 Subway Extension Project|archiveurl=http://web.archive.org/web/20100724182516/http://www.mta.info/news/stories/?story=84|url=http://www.mta.info/news/stories/?story=84|accessdate=July 16, 2010|archivedate=July 24, 2010}}</ref> The TBMs were partially disassembled and backed up to the 25th Street shaft, where they were lifted out.<ref name="mta20100612">{{Template:Cite news|date=June 11, 2010|work=[[Metropolitan Transportation Authority (New York)|Metropolitan Transportation Authority]]|title=New Milestone for No. 7 Subway Extension Project|archiveurl=http://web.archive.org/web/20100613001706/http://www.mta.info/news/stories/?story=74|url=http://www.mta.info/news/stories/?story=74|accessdate=June 12, 2010|archivedate=June 13, 2010}}</ref><ref name="mta20100715">{{Template:Cite news|date=July 15, 2010|work=[[Metropolitan Transportation Authority (New York)|Metropolitan Transportation Authority]]|title=New Milestone for No. 7 Subway Extension Project|archiveurl=http://web.archive.org/web/20100724182516/http://www.mta.info/news/stories/?story=84|url=http://www.mta.info/news/stories/?story=84|accessdate=July 16, 2010|archivedate=July 24, 2010}}</ref><ref>{{Template:Cite news|date=July 15, 2010|work=[[NY1]]|title=7 Train Extension Celebrates Major Breakthrough|url=http://www.ny1.com/content/122169/7-train-extension-celebrates-major-breakthrough|accessdate=July 16, 2010}}</ref> In April 2011, the MTA announced that the contract covering the tunnels, the 34th Street station mezzanine and passenger platform was 85% complete, and that the systems contract, covering mechanical and electrical systems, electric power, lighting and train tracks would be awarded by July 2011. A second entrance to the station is planned.<ref>{{Template:Cite news|title=Work on Extending the No. 7 Line Continues to Progress|archiveurl=http://web.archive.org/web/20110820074304/http://www.mta.info/news/stories/?story=220|url=http://www.mta.info/news/stories/?story=220|publisher=MTA Press Release|accessdate=April 4, 2011|archivedate=August 20, 2011}}</ref> In May 2012, the MTA announced that the extension, now 65% complete, had received the installation of the first set of rails.<ref>{{Template:Cite web|url=http://www.railwayage.com/index.php/passenger/rapid-transit/nycts-no-7-extension-gets-first-rails.html|title=NYCT’s No. 7 extension gets first rails|author=Luther S. Miller|date=May 10, 2012|publisher=Railway Age}}</ref>
 
しかし、延伸区間の発表直後に MTA は24億ドルの予算を超過することが見込まれるため 10番街駅の設置を取りやめて5億ドルを節減すると発表した<ref name="ny1-2007-10-25"/><ref>{{cite web | last=Neuman | first=William | title=Higher Costs Force Cutback in Extension of the No. 7 Line | website=The New York Times | date=2007-10-20 | url=http://www.nytimes.com/2007/10/20/nyregion/20mta.html | accessdate=2015-09-28}}</ref><ref>{{cite web | last=Olshan | first=Jeremy | title=MTA: IT'S WESTWARD HO(LD ON A $EC) FOR NO. 7 TRAIN | website=Internet Archive | date=2007-10-21 | url = http://www.nypost.com/seven/10202007/news/regionalnews/mta__its_westward_ho_ld_on_a_e.htm | archiveurl=http://web.archive.org/web/20071021085350/http://www.nypost.com/seven/10202007/news/regionalnews/mta__its_westward_ho_ld_on_a_e.htm | archivedate=2015-09-28 | accessdate=2015-9-28 | deadurl=yes}}</ref>。2007年12月3日には MTA が延伸区間の起工式を行い、ジャヴィッツ・コンベンション・センターに隣接する区画から掘削を開始した<ref>{{cite web | title=MTA starts work on No. 7 train extension | website=AM New York | date=2007-12-14 | url = http://www.amny.com/news/local/transportation/am-sevenline1203,0,1144363.story?coll=amny_home_rail_headlines | archivedate=2015-09-28|archiveurl=http://web.archive.org/web/20071214105206/http://www.amny.com/news/local/transportation/am-sevenline1203,0,1144363.story?coll=amny_home_rail_headlines | accessdate = 2015-09-28 | deadurl = yes }}</ref>。 建設にあたって[[IND8番街線]]の{{仮リンク|42丁目-ポート・オーソリティ・バスターミナル駅|en|42nd Street - Port Authority Bus Terminal (IND Eighth Avenue Line)}}の下層部のプラットホームが障害になったが、使われなくなった部分を取り壊して建設が進められた<ref>{{Cite news |title=No Whoosh, No ‘All Aboard’ |first=Alex |last=Mindlin |url=http://www.nytimes.com/2008/04/20/nyregion/thecity/20port.html |newspaper=[[ニューヨーク・タイムズ|The New York Times]] |date=April 20, 2008 |accessdate=February 28, 2010}}</ref>。
On August 21, 2013, the MTA announced that the 7 Subway Extension was 90% complete.<ref>{{Template:Cite news|title=7 Line Extension 90 Percent Complete|url=http://new.mta.info/news/2013/08/21/7-line-extension-90-percent-complete|publisher=MTA Press Release|accessdate=August 22, 2013}}</ref> On December 20, 2013, Mayor [[マイケル・ブルームバーグ|Michael Bloomberg]] took a ceremonial ride on a train to the new terminal, celebrating a part of his legacy as Mayor; at the time, the proposed opening date was June 2014.<ref>{{Template:Cite news|date=December 20, 2013|work=New York Post|title=Three cheers for the No. 7 extension|url=http://nypost.com/2013/12/20/mayor-mikes-hudson-yards-feat/}}</ref><ref>{{Template:Cite news|date=October 21, 2013|title=Mayor Bloomberg gets ride on No. 7 subway line extension he championed|url=http://www.nydailynews.com/news/politics/bloomberg-sneak-ride-7-line-extension-article-1.1554643|location=New York|publisher=NY Daily News|accessdate=December 22, 2013}}</ref>
 
[[File:Subway Ground.jpg|thumb|right|upright=1.1|alt=ビル群に囲まれた延伸工事現場の空撮。|地下鉄工事現場。左矢印はメインの34丁目入口、右矢印は35丁目入口である。]]
=== Delays ===
Soon after Bloomberg's ceremonial ride, the opening date of the subway extension was pushed back from June to early fall 2014,<ref name="rising nytimes">{{Template:Cite news|last=Flegenheimer|first=Matt|date=January 27, 2014|title=More Delays and Rising Cost for Project Connecting L.I.R.R. to Grand Central Terminal|url=http://www.nytimes.com/2014/01/28/nyregion/more-delays-and-rising-cost-for-project-connecting-lirr-to-grand-central-terminal.html?ref=nyregion&_r=0|publisher=New York Times}}</ref> then to November 2014,<ref>{{Template:Cite web|url=http://www.timeout.com/newyork/things-to-do/subway-update-7-train-extension-to-now-open-in-november|title=Subway update: 7-train extension to now open in November|accessdate=2015-09-13|date=2014-02-26|last=Lynch|first=Marley|website=Time Out New York}}</ref> then to February 2015<ref name="nytimes june 2014">{{Template:Cite web|url=http://www.nytimes.com/2014/06/24/nyregion/mta-says-transit-plans-are-facing-new-delays.html?ref=nyregion|title=Transit Hub and Work on No. 7 Line Face Delays|author=Mueller, Benjamin|date=June 23, 2014|publisher=New York Times}}</ref>and then to May 2015<ref name="nydn 20141215">{{Template:Cite web|url=http://www.nydailynews.com/new-york/opening-no-7-subway-extension-delayed-spring-article-1.2046161|title=New York will have to wait till spring for No. 7 subway extension|accessdate=December 15, 2014|date=December 15, 2014|publisher=NY Daily News}}</ref> because of problems with two incline elevators being installed in the station.<ref name="nydailynews april 2014">{{Template:Cite web|url=http://www.nydailynews.com/new-york/mta-building-incline-elevator-subway-article-1.1771896|title=Metropolitan Transportation Authority building New York City subway system's first inclined elevator|accessdate=April 29, 2014|author=Donohue, Pete|date=April 28, 2014|work=New York Daily News}}</ref>
 
2008年6月にマンハッタン11番街でトンネル掘削工事が始まった<ref>{{cite press release | title=Easy-to-Install CertainTeed Certa-Lok Yelomine Offers Ideal Solution for Temporary Water Lines for Metropolitan Transportation Authority’s No. 7 Subway Extension | publisher=CertainTeed | date=January 25, 2011 }}</ref>。2009年2月には2基のうち1期目のトンネルボーリングマシンを25丁目・11番街交差点の角に設けた巨大な立坑から吊り下ろした。2基のトンネルボーリングマシンは並行する2本の全長 {{convert|7100|ft|m|disp=flip}}のトンネルを11番街に沿って、41丁目とタイムズ・スクエアの交差点にある現在の終点に向かって掘り進んでいった<ref>{{cite press release |publisher=[[メトロポリタン・トランスポーテーション・オーソリティー|Metropolitan Transportation Authority]] |date=February 19, 2009 |title=Metropolitan Transportation Authority And Mayor Bloomberg Preside Over Lowering Of Tunnel Boring Machine For 7 Line Subway Extension |url=http://www.mta.info/mta/news/releases/?en=090219-HQ6 |accessdate=February 28, 2010 |archiveurl=http://web.archive.org/web/20101218172917/http://www.mta.info/mta/news/releases/?en=090219-HQ6 |archivedate=December 18, 2010}}</ref>。MTA は2008年11月から工事の進捗状況を紹介するため工事現場の写真を公式ウェブサイトに公開するようになった<ref>{{cite web |url=http://web.mta.info/capconstr/7ext/construction.htm |title=Construction Update - November 2008 |work=[[メトロポリタン・トランスポーテーション・オーソリティー|Metropolitan Transportation Authority]] |accessdate=August 27, 2009 |archiveurl=http://web.archive.org/web/20091005130303/http://web.mta.info/capconstr/7ext/construction.htm |archivedate=October 5, 2009 <!--Staff writer(s); no by-line.--> |deadurl=no}}</ref>。
On October 1, 2014, the MTA told the [[デイリーニューズ (ニューヨーク)|New York Daily News]] that the agency had signed a new agreement with the prime contractor, offering up to $4.75 million in incentive payments if the new station is finished and ready to open to the public by February 24, 2015.<ref>{{Template:Cite web|url=http://www.nydailynews.com/new-york/7-subway-extension-west-side-track-feb-opening-official-article-1.1958783|title=No. 7 subway line extension to West Side on track to open in February: official|author=Donohue, Pete|publisher=New York Daily News}}</ref>
 
2009年6月には[[ポート・オーソリティ・バスターミナル]]の入口ランプの下にタイムズ・スクエア-42丁目駅への取り付け部となる全長{{convert|150|ft|m|disp=flip}}のトンネル掘削が完了した。同時に、26丁目のボーリングマシン発進立坑から北方向に掘削が進められていた。27丁目から28丁目付近は地質が軟弱だったため、{{convert|300|ft|m|disp=flip}}にわたって凍結工法が採用された<ref>{{cite web |url=http://www1.nyc.gov/office-of-the-mayor/news/544-09/mayor-bloomberg-mta-completion-first-phase-number-7-subway-extension |title=Mayor Bloomberg And Mta Announce Completion Of First Phase Of Number 7 Subway Extension |work=[[ニューヨーク市政府|NYC.gov]] |date=December 21, 2009 |accessdate=June 9, 2014}}</ref>。 2009年12月21日には、トンネルボーリングマシンが34丁目-ハドソン・ヤード駅の仮壁まで貫通したことが発表された<ref>{{cite web | title=Mayor Bloomberg and MTA Announce Completion of First Phase of Number 7 Subway Extension | website=The official website of the City of New York | url=http://www1.nyc.gov/office-of-the-mayor/news/544-09/mayor-bloomberg-mta-completion-first-phase-number-7-subway-extension | accessdate=2015-09-28}}</ref><ref>{{Cite news |title=West Side Development Project Gets The Green Light |url=http://web.archive.org/web/20120407015716/http://bronx.ny1.com/content/news_beats/transit/110795/west-side-development-project-gets-the-green-light |work=[[NY1]] |date=December 21, 2009 |accessdate=February 28, 2010}}</ref>。2基のトンネルボーリングマシンは2010年春までにトンネルを掘り抜く予定になっていた<ref>{{Cite news |title=Crews Lower Giant Drill Into 7 Line Tunnel |first=Bobby |last=Cuza |url=http://www.ny1.com/content/news_beats/transit/94220/crews-lower-giant-drill-into-7-line-tunnel/Default.aspx |work=[[NY1]] |date=February 19, 2009 |accessdate=February 28, 2010 |archiveurl=http://web.archive.org/web/20090505113516/http://www.ny1.com/content/news_beats/transit/94220/crews-lower-giant-drill-into-7-line-tunnel/Default.aspx |archivedate=May 5, 2009}}</ref>。
Just two and a half months later, though, the MTA stated that it was unable to open the subway extension for service until April to July 2015, due to the failure to get the inclined elevators to work properly.<ref name="nbcnewyork 201412">{{Template:Cite web|url=http://www.nbcnewyork.com/news/local/No-7-Line-Station-Queens-Extension-Subway-Delayed-Hudson-Yards-285830651.html|title=Hudson Yards subway extension delayed again|author=Sill, Andrew}}</ref><ref name="nydn 20141215">{{Template:Cite web|url=http://www.nydailynews.com/new-york/opening-no-7-subway-extension-delayed-spring-article-1.2046161|title=New York will have to wait till spring for No. 7 subway extension|accessdate=December 15, 2014|date=December 15, 2014|publisher=NY Daily News}}</ref> Problems with the security and fire alarm systems were also blamed for the delays.<ref>{{Template:Cite web|url=http://www.mcall.com/news/nationworld/pennsylvania/mc-nyc-subway-extension-coming-20141221-story.html|title=NYC subway extension may transform Manhattan neighborhood|author=Goldberg, Barbara|date=December 21, 2014|publisher=McCall.com}}</ref> A December 2014 ''[[ニューヨーク・ポスト|New York Post]]'' article attributed the delay to Hudson Yards' developer, The Related Companies', need to dig [[ケーソン|caissons]] for the foundations, just above the subway station, and the foundation work needed to be complete before the MTA could proceed with opening the station.<ref>{{Template:Cite web|url=http://nypost.com/2014/12/15/7-train-opening-delayed/|title=7 train opening delayed|author=Rebecca Harshbarger|date=December 15, 2014|publisher=New York Post}}</ref> Continuing trouble with the fire and security alarms in March 2015 would delay the opening until summer.<ref>{{Template:Cite web|url=http://www.bizjournals.com/newyork/news/2015/03/24/7-subway-line-extension-delayed-yet-again-eyes.html|title=7 subway line extension delayed yet again, eyes summer opening|date=March 24, 2015}}</ref><ref name="nytimes 20150324">{{Template:Cite web|url=http://www.nytimes.com/2015/03/24/nyregion/more-delays-for-no-7-subway-line-extension.html?_r=0|title=More Delays for No. 7 Subway Line Extension|accessdate=March 29, 2015|author=Emma G. Fitzsimmons|date=March 24, 2015|work=New York Times}}</ref>
 
1基は2010年6月<ref name=mta20100612>{{Cite news |title=New Milestone for No. 7 Subway Extension Project |url=http://www.mta.info/news/stories/?story=74 |work=[[メトロポリタン・トランスポーテーション・オーソリティ|Metropolitan Transportation Authority]] |date=June 11, 2010 |accessdate=June 12, 2010 |archiveurl=http://web.archive.org/web/20100613001706/http://www.mta.info/news/stories/?story=74 |archivedate=June 13, 2010}}</ref>、もう一基は同年7月15日にトンネルを掘り抜いた<ref name=mta20100715/>。トンネルボーリングマシンは一部を解体した上で25丁目の発進基地まで戻され、吊り上げられた<ref name=mta20100612/><ref name=mta20100715>{{Cite news |title=New Milestone for No. 7 Subway Extension Project |url=http://www.mta.info/news/stories/?story=84 |work=[[メトロポリタン・トランスポーテーション・オーソリティー|Metropolitan Transportation Authority]] |date=July 15, 2010 |accessdate=July 16, 2010 |archiveurl=http://web.archive.org/web/20100724182516/http://www.mta.info/news/stories/?story=84 |archivedate=July 24, 2010}}</ref><ref>{{Cite news |title=7 Train Extension Celebrates Major Breakthrough |url=http://www.ny1.com/content/122169/7-train-extension-celebrates-major-breakthrough |work=[[NY1]] |date=July 15, 2010 |accessdate=July 16, 2010}}</ref>。2011年4月に MTA は土木工事部分(トンネルおよび34丁目-ハドソン・ヤード駅の中二階とプラットホームの建設)の進捗率は85%で、システム工事部分(機械設備・電気設備・電力設備および照明と線路)の契約を2011年7月に締結すると発表した。追加の入口も計画された<ref>{{cite news |url=http://www.mta.info/news/stories/?story=220 |title=Work on Extending the No. 7 Line Continues to Progress |publisher=MTA Press Release |accessdate=April 4, 2011 |archiveurl=http://web.archive.org/web/20110820074304/http://www.mta.info/news/stories/?story=220 |archivedate=August 20, 2011}}</ref>。2012年5月には MTA は延伸部分の全体進捗率は65%で、線路の敷設が始まったと発表した<ref>{{cite web |publisher=Railway Age |url=http://www.railwayage.com/index.php/passenger/rapid-transit/nycts-no-7-extension-gets-first-rails.html |title=NYCT’s No. 7 extension gets first rails |author=Luther S. Miller |date=May 10, 2012 |accessdate=May 14, 2012}}</ref>。
On June 1, 2015, a representative for the MTA described the extension as "99% complete". That day, test runs of 7 trains started running to 34th Street – Hudson Yards in preparation for the summer 2015 opening of the extension.<ref>{{Template:Cite web|url=http://newyork.cbslocal.com/2015/06/01/no-7-subway-line-extension-training/|title=MTA Begins Training Employees On No. 7 Line Extension|accessdate=June 1, 2015|date=June 1, 2015|work=CBS News}}</ref> However, on June 15, the extension was pushed back again to "before the end of the third quarter".<ref name="ny1 20150615">{{Template:Cite web|url=http://www.ny1.com/nyc/all-boroughs/news/2015/06/15/mta--7-line-extension-to-open-up-before-end-of-october.html|title=MTA: 7 Line Extension to Open Up Before End of Third Quarter|accessdate=June 20, 2015|author=Jose Martinez|date=June 15, 2015|work=[[NY1]]}}</ref> On July 20, 2015, it was reported that the MTA planned to open the extension to the public on September 13, 2015.<ref name="gothamist1">{{Template:Cite web|url=http://gothamist.com/2015/07/20/7_extension_opening.php|title=7 Line Extension Will Open "By September 13th"|author=Emma Whitford|date=July 20, 2015|work=[[Gothamist]]}}</ref><ref name="nbc1">{{Template:Cite web|url=http://www.nbcnewyork.com/news/local/Hudson-Yards-7-Train-Subway-Extension-Opens-September-MTA-NY-317585901.html|title=Hudson Yards Subway Extension to Open in September: MTA|work=NBC New York}}</ref> The opening date was confirmed on August 28, 2015.<ref>{{Template:Cite web|url=http://www.wsj.com/articles/at-last-new-station-for-7-train-set-to-open-1440723162|title=At Last: New Station for 7 Train Set to Open|accessdate=September 10, 2015|date=August 28, 2015|last=Tangel|first=Andrew|website=WSJ}}</ref><ref>{{Template:Cite web|url=http://www.timesledger.com/stories/2015/37/7train_2015_09_11_q.html|title=No. 7 station to open at last on 11th Ave. in Manhattan|accessdate=September 10, 2015|date=September 10, 2015|last=Newman|first=Philip|website=TimesLedger}}</ref> The station was opened at a ribbon-cutting ceremony on September 13 at about 1&nbsp;p.m.<ref name="nyt1">{{Template:Cite web|url=http://www.nytimes.com/2015/09/14/nyregion/no-7-subway-station-far-west-side-manhattan.html|title=Subway Station for 7 Line Opens on Far West Side|accessdate=September 13, 2015|date=September 10, 2015|last=Fitzsimmons|first=Emma G.|website=The New York Times}}</ref><ref name="abc7-1">{{Template:Cite web|url=http://abc7ny.com/980231/|title=New 7 line subway extension to the West Side opens|accessdate=September 13, 2015|date=September 13, 2015|website=ABC7 New York}}</ref><ref name="wsj1">{{Template:Cite web|url=http://www.wsj.com/articles/new-subway-station-opens-on-nycs-far-west-side-1442171470|title=New Subway Station Opens on NYC’s Far West Side|accessdate=September 13, 2015|date=September 13, 2015|last=Tangel|first=Andrew|website=WSJ}}</ref>
 
2013年8月21日には MTA は延伸工事は90%完了したと発表した<ref>{{cite news |url=http://new.mta.info/news/2013/08/21/7-line-extension-90-percent-complete |title=7 Line Extension 90 Percent Complete |publisher=MTA Press Release |accessdate=August 22, 2013}}</ref>。2013年12月20日には、[[マイケル・ブルームバーグ]]市長が新駅への記念乗車を行い、市長としての功績を祝った。この時点で開業は2014年6月の予定であった<ref>{{cite news |title=Three cheers for the No. 7 extension |url=http://nypost.com/2013/12/20/mayor-mikes-hudson-yards-feat/ |date=December 20, 2013 |work=New York Post}}</ref><ref>{{cite news |url=http://www.nydailynews.com/news/politics/bloomberg-sneak-ride-7-line-extension-article-1.1554643 |title=Mayor Bloomberg gets ride on No. 7 subway line extension he championed |publisher=NY Daily News |date=October 21, 2013 |accessdate=December 22, 2013 |location=New York}}</ref>。
=== Gallery ===
 
===開業の遅延===
 
ブルームバーグ市長の記念乗車から間もなく、開業予定が2014年6月から初秋に延期され<ref name="rising nytimes">{{cite news |title=More Delays and Rising Cost for Project Connecting L.I.R.R. to Grand Central Terminal |url=http://www.nytimes.com/2014/01/28/nyregion/more-delays-and-rising-cost-for-project-connecting-lirr-to-grand-central-terminal.html?ref=nyregion&_r=0 |publisher=New York Times |date=January 27, 2014 |first=Matt |last=Flegenheimer}}</ref>、さらに11月<ref>{{cite web | last=Lynch | first=Marley | title=Subway update: 7-train extension to now open in November | website=Time Out New York | date=2014-02-26 | url=http://www.timeout.com/newyork/things-to-do/subway-update-7-train-extension-to-now-open-in-november | accessdate=2015-09-13}}</ref>、2015年2月<ref name="nytimes june 2014">{{cite web |author=Mueller, Benjamin |title=Transit Hub and Work on No. 7 Line Face Delays |url=http://www.nytimes.com/2014/06/24/nyregion/mta-says-transit-plans-are-facing-new-delays.html?ref=nyregion |publisher=New York Times |date=June 23, 2014|accessdate=June 24, 2014}}</ref>、2015年5月<ref name="nydn 20141215">{{cite web |url=http://www.nydailynews.com/new-york/opening-no-7-subway-extension-delayed-spring-article-1.2046161 |title=New York will have to wait till spring for No. 7 subway extension |publisher=NY Daily News |date=December 15, 2014 |accessdate=December 15, 2014}}</ref>と次々延期されていった。これは駅に設置した2台の[[斜行エレベーター]]の問題であった<ref name="nydailynews april 2014">{{cite web |url=http://www.nydailynews.com/new-york/mta-building-incline-elevator-subway-article-1.1771896 |title=Metropolitan Transportation Authority building New York City subway system's first inclined elevator |work=New York Daily News |date=April 28, 2014 |accessdate=April 29, 2014 |author=Donohue, Pete}}</ref>。
 
MTA は2014年10月1日に[[ニューヨーク・デイリーニューズ]]紙に対して、主契約社との間で2015年月24日までに完工して開業可能な状態にできれば4,750万ドルのインセンティブを支払う契約を結んだと明らかにした<ref>{{cite web |author=Donohue, Pete |title=No. 7 subway line extension to West Side on track to open in February: official |url=http://www.nydailynews.com/new-york/7-subway-extension-west-side-track-feb-opening-official-article-1.1958783 |publisher=New York Daily News|accessdate=2014-11-28}}</ref>。
 
しかし、わずか2か月半後には MTA は斜行エレベーターがうまく動かないため開業は2015年4月から7月頃になると発表した<ref name="nbcnewyork 201412">{{cite web |author=Sill, Andrew |title=Hudson Yards subway extension delayed again |url=http://www.nbcnewyork.com/news/local/No-7-Line-Station-Queens-Extension-Subway-Delayed-Hudson-Yards-285830651.html|accessdate=2014-12-20}}</ref><ref name="nydn 20141215"/>。また、保安アラームや火災報知システムの問題も遅れの原因だとされていた<ref>{{cite web |author=Goldberg, Barbara |title=NYC subway extension may transform Manhattan neighborhood |url=http://www.mcall.com/news/nationworld/pennsylvania/mc-nyc-subway-extension-coming-20141221-story.html |date=December 21, 2014|accessdate=December 30, 2014 |publisher=McCall.com}}</ref>。2014年12月の[[ニューヨーク・ポスト]]の記事では、工期遅延はハドソン・ヤードの開発を行っていた{{仮リンク|リレイティッド・カンパニーズ|en|The Related Companies}}がちょうど新駅の真上で基礎工の[[ケーソン]]を施工中であるためで、この基礎工が終わらないと新駅は開業できないとしていた<ref>{{cite web |title=7 train opening delayed |author=Rebecca Harshbarger |url=http://nypost.com/2014/12/15/7-train-opening-delayed/ |date=December 15, 2014 |accessdate=2015-2-10 |publisher=New York Post}}</ref>。火災報知システムや保安アラームの問題は2015年3月になっても収束せず、開業は夏までずれ込むことになった<ref>{{cite web |title=7 subway line extension delayed yet again, eyes summer opening |url=http://www.bizjournals.com/newyork/news/2015/03/24/7-subway-line-extension-delayed-yet-again-eyes.html |date=March 24, 2015 |accessdate=March 29, 2015}}</ref><ref name="nytimes 20150324">{{cite web |url=http://www.nytimes.com/2015/03/24/nyregion/more-delays-for-no-7-subway-line-extension.html?_r=0 |title=More Delays for No. 7 Subway Line Extension |work=New York Times |date=March 24, 2015 |accessdate=March 29, 2015 |author=Emma G. Fitzsimmons}}</ref>。
 
斜行エレベーターはトンネルの掘削コストを抑えつつ、車椅子利用者がプラットホームに行き来しやすくなるように導入されたものであった<ref name="rising nytimes"/>。斜行エレベーターは[[イタリア]]の[[アッピアーノ・ジェンティーレ]]にあるマスペロ・エレヴァトーリ(Maspero Elevatori)が製造し、制御機器はロングアイランドで、調速機は[[オハイオ州]]で、操作ボタン等はクイーンズ区で製作されていた<ref name="rising nytimes"/>。制御ソフトウェアはアメリカで製作され、エレベーター本体はイタリアで組み立てられたが、アメリカへの出荷前に組み合わせ試験が行えなかった<ref name="rising nytimes"/>。MTA は、マスペロ社が MTA の要求仕様が届いて内容を確認した後になってイタリア国内の協力メーカーに代わってアメリカの請負業者を使うことにしたためだとし、高度にカスタマイズしたことにより生じた問題を解決するためにマスペロ社と協働しているとした<ref name="rising nytimes"/>。
2015年6月1日には MTA は延伸工事が「99%完了した」と発表した。この日、夏の開業に向けて7本の試運転列車が34丁目-ハドソン・ヤード駅まで運転された<ref>{{cite web |url=http://newyork.cbslocal.com/2015/06/01/no-7-subway-line-extension-training/ |title=MTA Begins Training Employees On No. 7 Line Extension |work=CBS News |date=June 1, 2015 |accessdate=June 1, 2015}}</ref>。ところが、6月15日には「第3四半期の終わり」まで延期となった<ref name="ny1 20150615">{{cite web |url=http://www.ny1.com/nyc/all-boroughs/news/2015/06/15/mta--7-line-extension-to-open-up-before-end-of-october.html |title=MTA: 7 Line Extension to Open Up Before End of Third Quarter |work=[[NY1]] |date=June 15, 2015 |accessdate=June 20, 2015 |author=Jose Martinez}}</ref>。2015年7月20日には MTA が2015年9月13日の開業を計画しているとレポートされた<ref name=gothamist1>{{cite web |title=7 Line Extension Will Open "By September 13th" |url=http://gothamist.com/2015/07/20/7_extension_opening.php |work=[[:en:Gothamist|Gothamist]] |author=Emma Whitford |date=July 20, 2015 |accessdate=July 21, 2015}}</ref><ref name=nbc1>{{cite web |url=http://www.nbcnewyork.com/news/local/Hudson-Yards-7-Train-Subway-Extension-Opens-September-MTA-NY-317585901.html |title=Hudson Yards Subway Extension to Open in September: MTA |work=NBC New York |accessdate=July 21, 2015}}</ref>。その後、開業日は2015年8月28日であることが確認された<ref>{{cite web |last=Tangel |first=Andrew |title=At Last: New Station for 7 Train Set to Open |website=WSJ |date=August 28, 2015 |url=http://www.wsj.com/articles/at-last-new-station-for-7-train-set-to-open-1440723162 |accessdate=September 10, 2015}}</ref><ref>{{cite web |last=Newman |first=Philip |title=No. 7 station to open at last on 11th Ave. in Manhattan |website=TimesLedger |date=September 10, 2015 |url=http://www.timesledger.com/stories/2015/37/7train_2015_09_11_q.html |accessdate=September 10, 2015}}</ref>。結局、9月13日の午後1時頃に開業式のテープカットが行われた<ref name=nyt1>{{cite web |last=Fitzsimmons |first=Emma G. |title=Subway Station for 7 Line Opens on Far West Side |website=The New York Times |date=September 10, 2015 |url=http://www.nytimes.com/2015/09/14/nyregion/no-7-subway-station-far-west-side-manhattan.html |accessdate=September 13, 2015}}</ref><ref name=abc7-1>{{cite web |title=New 7 line subway extension to the West Side opens |website=ABC7 New York |date=September 13, 2015 |url=http://abc7ny.com/980231/ |accessdate=September 13, 2015}}</ref><ref name=wsj1>{{cite web |last=Tangel |first=Andrew |title=New Subway Station Opens on NYC’s Far West Side |website=WSJ |date=September 13, 2015 |url=http://www.wsj.com/articles/new-subway-station-opens-on-nycs-far-west-side-1442171470 |accessdate=September 13, 2015}}</ref>。
 
{{clear}}
 
===画像===
<gallery>
7Line 8313 (6801443789).jpg|Diggingalt=refer theto station caverncaption|駅舎部分の掘削工事の様子
7 Line Ext Site P 555 W34 11 jeh.jpg|Constructionalt=refer Siteto caption|P, 11th Avenue and 33rd Street in May 工区(11番街33丁目)の様子。2010年5月
IRT 7 extension work nite jeh.jpg|Extensionalt=refer workto during night timecaption|夜間工事の様子
7Line 8112 (6801435431).jpg|alt=Tunnel under construction as ofon January 26, 2012[update]|建設中のトンネル。{{as of|2012|1|26|df=us|lc=yes}}
7Line 8291 (6801441687).jpg|Mezzaninealt=refer andto trackways under constructioncaption|建設中の路盤と中二階
7Line 8265 (6801440795).jpg|Tunnelalt=refer portalsto at end of station caverncaption|駅部分のトンネル取付部
Flushing Extension vc.jpg|Buildingalt=Construction of tracks connecting Times Square Station to the line extension in March 2012|[[タイムズ・スクエア-42丁目駅]]で延伸部と線路を接続している様子。2012年3月
7 Subway Extension 2012-09-14.jpg|Tunnelalt=refer progress in Septemberto caption|トンネル工事の進捗状況。2012年9月
7 Subway Extension 2012-09-21.jpg|Ventilationalt=refer structureto at 11th Avenue and 36th Street, near construction site Kcaption|11番街36丁目(K工区近く)の換気施設
7 Subway Extension tunnel construction.jpg|Tunnelalt=refer onto the 7 Subway Extension, under constructioncaption|建設中の延伸部トンネル
SiteJ 34st Station Mid Point Platform April 2013 (9084530371).jpg|Tracksalt=refer in the station, Aprilto caption|駅から見た線路。2013年4月
7 Extension.jpg|alt=The 7 Subway Extension, as viewed from Times Square Station on November 25, 2013. The fake wall has been removed|[[タイムズ・スクエア-42丁目駅]]から望む延伸部。仮壁は撤去されている。2013年11月25日
34th St Flushing line canopy 2014 May 1 jeh.jpg|Stationalt=refer entrance under construction in Mayto caption|建設中の駅舎エントランス。2014年5月
SiteA Completed Building June 2014 (9086747190).jpg|Completedalt=refer Siteto caption|完工したA building between 25th and 26th Street, June 工区(25丁目-26丁目)。2014年6月
</gallery>
 
==建設された施設==
== Construction areas ==
 
===34丁目-ハドソン・ヤード駅===
=== {{Template:Anchor|34th Street|34th Street station}}34th Street – Hudson Yards station ===
[[File:7ExtensionMezzanine20110614.jpg|thumb|upright=1.1|right|alt=34丁目-ハドソン・ヤード駅の中二階の建設状況(2011年6月)|{{仮リンク|34丁目-ハドソン・ヤード駅|en|34th Street - Hudson Yards (IRT Flushing Line)}}の中二階の建設状況(011年6月)]]
[[ファイル:7ExtensionMezzanine20110614.jpg|alt=Station mezzanine progress in 34th Street Station in June 2011|right|thumb|Progress on constructing the 34th Street – Hudson Yards station mezzanine as of June 2011]]
[[File:7 Line Extension Ceremonia Ride vc.jpg|thumb|upright=1.1|right|alt=34丁目-ハドソン・ヤード駅での記念式典でスピーチする人々(2013年12月21日)|2013年12月21日の34丁目-ハドソン・ヤード駅]]
[[ファイル:7_Line_Extension_Ceremonia_Ride_vc.jpg|alt=People speaking at a ceremonial speech at the 34th Street station on December 21, 2013|right|thumb|The 34th Street station on December 21, 2013]]
The 34th Street – Hudson Yards station is at the intersection of [[11番街 (マンハッタン)|11th Avenue]] and [[34丁目 (マンハッタン)|34th Street]]. It is the only station on the extension, and it opened on September 13, 2015.<ref name="nyt1">{{Template:Cite web|url=http://www.nytimes.com/2015/09/14/nyregion/no-7-subway-station-far-west-side-manhattan.html|title=Subway Station for 7 Line Opens on Far West Side|accessdate=September 13, 2015|date=September 10, 2015|last=Fitzsimmons|first=Emma G.|website=The New York Times}}</ref><ref name="abc7-1">{{Template:Cite web|url=http://abc7ny.com/980231/|title=New 7 line subway extension to the West Side opens|accessdate=September 13, 2015|date=September 13, 2015|website=ABC7 New York}}</ref><ref name="wsj1">{{Template:Cite web|url=http://www.wsj.com/articles/new-subway-station-opens-on-nycs-far-west-side-1442171470|title=New Subway Station Opens on NYC’s Far West Side|accessdate=September 13, 2015|date=September 13, 2015|last=Tangel|first=Andrew|website=WSJ}}</ref> The MTA says that the new station will "make it possible for new housing, restaurants and entertainment to grow" in the surrounding neighborhoods, including [[ヘルズ・キッチン|Hell's Kitchen]] and [[チェルシー (ニューヨーク)|Chelsea]].<ref>{{Template:Cite web|url=http://web.mta.info/capital/future/extension.php|title=7 Line Extension|accessdate=July 3, 2013|author=Staff writer(s)|date=|publisher=[[Metropolitan Transportation Authority (New York)|Metropolitan Transportation Authority]]}}</ref> The station is also close to the [[ジェイコブ・ジャヴィッツ・コンベンション・センター|Jacob K. Javits Convention Center]].<ref>{{Template:Cite web|url=http://www.businessinsider.com/why-the-7-line-extension-still-isnt-open-2015-4|title=A series of delays have kept a now fully completed subway station under Manhattan from opening|accessdate=September 13, 2015|date=April 29, 2015|last=Green|first=Dennis|website=Business Insider|quote=The troubled extension ... will eventually extend the 7 train one station west to serve a new development over the West Side Yard train tracks (known as Hudson Yards) and finally provide a rail link to the Jacob Javits Convention Center.}}</ref>
 
{{Main|:en:34th Street - Hudson Yards (IRT Flushing Line)}}
Passenger access to the station includes a pair of incline elevators.<ref name="nydailynews april 2014">{{Template:Cite web|url=http://www.nydailynews.com/new-york/mta-building-incline-elevator-subway-article-1.1771896|title=Metropolitan Transportation Authority building New York City subway system's first inclined elevator|accessdate=April 29, 2014|author=Donohue, Pete|date=April 28, 2014|work=New York Daily News}}</ref> The project has been plagued by delays because of the mishaps involved in the installation of the custom-made elevators.<ref>{{Template:Cite web|url=http://www.nytimes.com/2014/05/30/nyregion/trouble-with-diagonal-elevator-held-up-no-7-subway-expansion.html?hpw&rref=nyregion&_r=0|title=With New Slant on Subway Elevators, Expect Delays|accessdate=May 29, 2014|date=May 29, 2014|publisher=[[The New York Times]]|first=Matt|last=Flegenheimer}}</ref> In June 2012, the extension's opening was delayed to June 2014, with the rest of the 34th Street – Hudson Yards station to open at the end of 2015;<ref>{{Template:Cite news|date=June 5, 2012|work=[[NY1]]|title=MTA's 7 Line Extension Project Pushed Back Six Months|archiveurl=http://web.archive.org/web/20120711160459/http://www.ny1.com/content/news_beats/transit/162481/mta-s-7-line-extension-project-pushed-back-six-months|url=http://www.ny1.com/content/news_beats/trans/162481/mta-s-7-line-extension-project-pushed-back-six-months|accessdate=June 5, 2012|archivedate=July 11, 2012}}</ref><ref>{{Template:Cite news|last=[[Steve Cuozzo|Cuozzo]]|first=Steve|date=June 5, 2012|work=[[New York Post]]|title=No. 7 train 6 mos. late|url=http://www.nypost.com/p/news/business/realestate/commercial/no_train_mos_late_BEjKsCL51LL06ZSZ58ZOiI|accessdate=June 5, 2012}}</ref> {{Template:As of|2014|12|15|df=us}}, the opening date was changed to mid-2015.<ref name="nydn 20141215">{{Template:Cite web|url=http://www.nydailynews.com/new-york/opening-no-7-subway-extension-delayed-spring-article-1.2046161|title=New York will have to wait till spring for No. 7 subway extension|accessdate=December 15, 2014|date=December 15, 2014|publisher=NY Daily News}}</ref><ref name="nbcnewyork 201412">{{Template:Cite web|url=http://www.nbcnewyork.com/news/local/No-7-Line-Station-Queens-Extension-Subway-Delayed-Hudson-Yards-285830651.html|title=Hudson Yards subway extension delayed again|author=Sill, Andrew}}</ref> In April 2014, the first of the <span contenteditable="false">170-foot-long (52</span>&nbsp;<span contenteditable="false">m)</span> incline elevators was installed in the station.<ref name="nydailynews april 2014">{{Template:Cite web|url=http://www.nydailynews.com/new-york/mta-building-incline-elevator-subway-article-1.1771896|title=Metropolitan Transportation Authority building New York City subway system's first inclined elevator|accessdate=April 29, 2014|author=Donohue, Pete|date=April 28, 2014|work=New York Daily News}}</ref> The <span contenteditable="false">80-foot (24</span>&nbsp;<span contenteditable="false">m)</span> high incline elevators<ref name="capital program">{{Template:Cite web|url=http://web.mta.info/capital/no7_alt.html|title=Capital Program 7 Line Extension|accessdate=January 30, 2014|date=December 20, 2013|publisher=MTA.info}}</ref><ref>{{Template:Cite web|url=http://www.nytimes.com/2013/12/21/nyregion/for-a-mayor-on-his-way-out-a-subway-station-on-its-way-in.html?_r=0|title=For a Mayor on His Way Out, a Subway Station on Its Way In|accessdate=December 24, 2013|date=December 20, 2013|publisher=''[[The New York Times]]''|first=Matt|last=Flegenheimer}}</ref> are the first of their kind in the system.<ref name="nydailynews april 2014">{{Template:Cite web|url=http://www.nydailynews.com/new-york/mta-building-incline-elevator-subway-article-1.1771896|title=Metropolitan Transportation Authority building New York City subway system's first inclined elevator|accessdate=April 29, 2014|author=Donohue, Pete|date=April 28, 2014|work=New York Daily News}}</ref>
34丁目-ハドソン・ヤード駅は{{仮リンク|11番街|en|11th Avenue (Manhattan)}} と {{仮リンク|34丁目|en|34th Street (Manhattan)}}の交差点に設置された。延伸区間に設置されたのはこの駅のみで、2015年9月13日に開業した<ref name=nyt1/><ref name=abc7-1/><ref name=wsj1/>。MTA は新駅によって[[ヘルズキッチン]]や[[チェルシー (ニューヨーク)|チェルシー]]といった近隣地区に住宅や飲食店、娯楽施設が新しく建つようになるだろうとした<ref>{{cite web |url=http://web.mta.info/capital/future/extension.php |title=7 Line Extension |author=Staff writer(s) |date= |publisher=[[メトロポリタン・トランスポーテーション・オーソリティ|Metropolitan Transportation Authority]] |accessdate=July 3, 2013}}</ref>。また、新駅のそばには[[ジェイコブ・ジャヴィッツ・コンベンション・センター]]もある<ref>{{cite web |last=Green |first=Dennis |title=A series of delays have kept a now fully completed subway station under Manhattan from opening |website=Business Insider |date=April 29, 2015 |url=http://www.businessinsider.com/why-the-7-line-extension-still-isnt-open-2015-4 |accessdate=September 13, 2015 |quote=The troubled extension ... will eventually extend the 7 train one station west to serve a new development over the West Side Yard train tracks (known as Hudson Yards) and finally provide a rail link to the Jacob Javits Convention Center.}}</ref>。
 
駅には一対の斜行エレベーターなどでアクセスできる<ref name="nydailynews april 2014"/>。プロジェクトはこの特注の斜行エレベーターの設置に関わる不具合で度重なる遅延に見舞われ<ref>{{cite web |url=http://www.nytimes.com/2014/05/30/nyregion/trouble-with-diagonal-elevator-held-up-no-7-subway-expansion.html?hpw&rref=nyregion&_r=0 |publisher=[[ニューヨーク・タイムズ|The New York Times]] |first=Matt |last=Flegenheimer |date=May 29, 2014 |accessdate=May 29, 2014 |title=With New Slant on Subway Elevators, Expect Delays}}</ref>、2012年6月には2014年6月の開業予定とされ、ついには2015年末にまでなった<ref>{{cite news |url=http://www.ny1.com/content/news_beats/trans/162481/mta-s-7-line-extension-project-pushed-back-six-months |title=MTA's 7 Line Extension Project Pushed Back Six Months |work=[[NY1]] |date=June 5, 2012 |accessdate=June 5, 2012 |archiveurl=http://web.archive.org/web/20120711160459/http://www.ny1.com/content/news_beats/transit/162481/mta-s-7-line-extension-project-pushed-back-six-months |archivedate=July 11, 2012}}</ref><ref>{{cite news |url=http://www.nypost.com/p/news/business/realestate/commercial/no_train_mos_late_BEjKsCL51LL06ZSZ58ZOiI |title=No. 7 train 6 mos. late |work=[[ニューヨーク・ポスト|New York Post]] |author=[[:en:Steve Cuozzo|Cuozzo, Steve]] |date=June 5, 2012 |accessdate=June 5, 2012}}</ref>。2014年12月15日には開業予定は2015年中ごろになり<ref name="nydn 20141215"/><ref name="nbcnewyork 201412"/>。2014年4月には1基目の斜行エレベーター(全長52メートル)が設置された<ref name="nydailynews april 2014"/>。高さは24メートル<ref name="capital program">{{cite web |url=http://web.mta.info/capital/no7_alt.html |date=December 20, 2013 |title=Capital Program 7 Line Extension |publisher=MTA.info |accessdate=January 30, 2014}}</ref><ref>{{cite web |url=http://www.nytimes.com/2013/12/21/nyregion/for-a-mayor-on-his-way-out-a-subway-station-on-its-way-in.html?_r=0 |title=For a Mayor on His Way Out, a Subway Station on Its Way In |publisher=''[[ニューヨーク・タイムズ|The New York Times]]'' |first=Matt |last=Flegenheimer |date=December 20, 2013 |accessdate=December 24, 2013}}</ref>で、こういった用途では初めてのものであった<ref name="nydailynews april 2014"/>。
=== Above-ground structures ===
The extension contains five street-level structures:<ref name="capital program">{{Template:Cite web|url=http://web.mta.info/capital/no7_alt.html|title=Capital Program 7 Line Extension|accessdate=January 30, 2014|date=December 20, 2013|publisher=MTA.info}}</ref>
* Site A, a ventilation building at 11th Avenue between 25th and 26th Streets<ref name="capital program">{{Template:Cite web|url=http://web.mta.info/capital/no7_alt.html|title=Capital Program 7 Line Extension|accessdate=January 30, 2014|date=December 20, 2013|publisher=MTA.info}}</ref>
* Site J, a ventilation building at 11th Avenue between 33rd and 34th Streets next to the main entrance and elevator entrance<ref name="capital program">{{Template:Cite web|url=http://web.mta.info/capital/no7_alt.html|title=Capital Program 7 Line Extension|accessdate=January 30, 2014|date=December 20, 2013|publisher=MTA.info}}</ref>
* Site K, a ventilation building at 11th Avenue between 35th and 37th Streets<ref name="capital program">{{Template:Cite web|url=http://web.mta.info/capital/no7_alt.html|title=Capital Program 7 Line Extension|accessdate=January 30, 2014|date=December 20, 2013|publisher=MTA.info}}</ref>
* Site L, a ventilation building at 41st Street and Dyer Avenue<ref name="capital program">{{Template:Cite web|url=http://web.mta.info/capital/no7_alt.html|title=Capital Program 7 Line Extension|accessdate=January 30, 2014|date=December 20, 2013|publisher=MTA.info}}</ref>
* Site P, the secondary station entrance between 11th Avenue between 34th and 35th Streets<ref name="capital program">{{Template:Cite web|url=http://web.mta.info/capital/no7_alt.html|title=Capital Program 7 Line Extension|accessdate=January 30, 2014|date=December 20, 2013|publisher=MTA.info}}</ref>
 
== Proposals =地上設備===
延伸区間には5つの地上設備が設けられている<ref name="capital program"/>。
[[ファイル:7_Subway_Extension_diamond_crossover_at_34th_St.jpg|alt=refer to caption|right|thumb|The diamond crossover north of 34th Street]]
 
*A工区:11番街25丁目から26丁目にかけて換気施設がある<ref name="capital program"/>
=== <span id="Proposed 10th Avenue station" contenteditable="false"></span>10th Avenue station ===
*J工区, 11番街33丁目から34丁目にかけて換気施設があり、駅のメインエントランスとエレベーターホールが設けられている<ref name="capital program"/>
Although a new station at 10th Avenue and 41st Street was part of the original plan, the intermediate station was eliminated in October 2007 due to cost overruns, leaving the terminal station at Eleventh Avenue and 34th Street as the only new station on the extension. The MTA indicated that the 10th Avenue station could be included in the project if funding were found.<ref name="ny1-2007-10-25">{{Template:Cite news|date=October 25, 2007|work=[[NY1]]|title=Transit Board Approves Funding For 7 Line Extension|url=http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=74957|accessdate=February 28, 2010}}</ref> The station was not included in the original (2007) contract award, but was listed as a $450 million option. In late December 2007, reports indicated that the postponed station might be partially built if the City of New York and the MTA agreed on the additional financing for the station shell.<ref>{{Template:Cite news|last=Naanes|first=Marlene|date=December 20, 2007|newspaper=[[AM New York|amNewYork]]|title=7 Line Extension May Get 41st Street Stop|archiveurl=http://web.archive.org/web/20090513011927/http://www.amny.com/news/local/am-mta1221,0,632084.story|url=http://www.amny.com/news/local/am-mta1221,0,632084.story|accessdate=February 28, 2010|archivedate=May 13, 2009}}</ref> In February 2009, the MTA announced that it would build the station if the agency received sufficient funds from the [[2009年アメリカ復興・再投資法|federal economic stimulus package]].<ref>{{Template:Cite news|last=Kabak|first=Benjamin|date=February 2, 2009|work=Second Ave. Sagas|title=Will the Stimulus Save 7 Extension Stop?|url=http://secondavenuesagas.com/2009/02/02/will-the-stimulus-save-7-extension-stop/|accessdate=February 28, 2010}}</ref> In June 2010, the city announced it was seeking funding to assess the feasibility of constructing the station at a later date using a two-platform, two-entrance model without an underground connecting passage.<ref>{{Template:Cite news|last=Agovino|first=Theresa|date=February 16, 2010|newspaper=[[Crain's New York Business]]|title=Outcry Emerges for 41st St. Stop on New 7-Line|archiveurl=http://web.archive.org/web/20100218115623/http://www.crainsnewyork.com/article/20100216/FREE/100219925|url=http://www.crainsnewyork.com/article/20100216/FREE/100219925|accessdate=April 3, 2010|archivedate=February 18, 2010 <!--Staff writer(s); no by-line.-->|deadurl=no}}</ref><ref>{{Template:Cite news|last=Urban|first=Jill|date=April 2, 2010|work=[[NY1]]|title=West Side Developers Fight For 7 Line Extension|url=http://www.ny1.com/1-all-boroughs-news-content/ny1_living/116312/west-side-developers-fight-for-7-line-extension|accessdate=April 3, 2010}}</ref><ref>{{Template:Cite news|date=April 27, 2010|work=[[NY1]]|title=City Officials Seek Federal Assistance For 7 Subway Extension|archiveurl=http://web.archive.org/web/20100531155214/http://manhattan.ny1.com/content/top_stories/117672/city-officials-seek-federal-assistance-for-7-subway-extension|url=http://manhattan.ny1.com/content/top_stories/117672/city-officials-seek-federal-assistance-for-7-subway-extension|accessdate=April 27, 2010|archivedate=May 31, 2010 <!--Staff writer(s); no by-line.-->|deadurl=no}}</ref><ref>{{Template:Cite news|date=June 10, 2010|work=[[NY1]]|title=City Considering 10th Avenue Stop For 7 Train|url=http://www.ny1.com/content/top_stories/120156/city-considering-10th-avenue-stop-for-7-train|accessdate=June 10, 2010}}</ref><ref>{{Template:Cite news|date=June 30, 2010|work=[[NY1]]|title=Mayor Applies For Funds To Redesign 7 Train Extension|url=http://manhattan.ny1.com/content/top_stories/121366/mayor-applies-for-funds-to-redesign-7-train-extension|accessdate=June 30, 2010}}</ref>
*K工区:11番街35丁目から37丁目にかけて換気施設がある<ref name="capital program"/>
*L工区:41丁目 - ダイアー・アベニューに換気施設がある<ref name="capital program"/>
*P工区:11番街34丁目から35丁目の間に駅入口が設けられている<ref name="capital program"/>
 
==計画中の案件==
=== Proposed New Jersey extension ===
Seventeen years after a 1993 MTA study on extending the 7 service across the Hudson River, ''[[ニューヨーク・タイムズ|The New York Times]]'' reported that Mayor [[マイケル・ブルームバーグ|Michael Bloomberg]]'s administration had been considering an extension to [[ホーボーケン (ニュージャージー州)|Hoboken]] and to [[セカーカス・ジャンクション駅|Secaucus Junction]] in [[ニュージャージー州|New Jersey]], where it would connect with most [[ニュージャージー・トランジット|New Jersey Transit]] commuter lines. It would offer New Jersey commuters a direct route to [[グランド・セントラル駅|Grand Central Terminal]] on the East Side of Manhattan and connections to most other New York City subway routes.<ref>{{Template:Cite news|last=Charles V.|first=Bagli|date=November 17, 2010|newspaper=[[The New York Times]]|title=Take the No. 7 to Secaucus?|url=http://www.nytimes.com/2010/11/17/nyregion/17tunnel.html|accessdate=July 3, 2013}}</ref>
 
[[File:7 Subway Extension diamond crossover at 34th St.jpg|thumb|upright=1.1|right|alt=refer to caption|34丁目駅北側の[[分岐器|ダイヤモンド・クロッシング]]]]
If opened, the extension would take the New York City Subway outside the [[ニューヨーク州|state's]] borders for the first time. The plan would replace the Access to the Region's Core (ARC) tunnel, which was canceled by New Jersey Governor [[クリス・クリスティ|Chris Christie]] in October 2010.<ref>{{Template:Cite news|last=Bagli|first=Charles|date=November 16, 2010|newspaper=[[The New York Times]]|title=New York Studies Extending Subway Line to New Jersey|archiveurl=http://web.archive.org/web/20101118062720/http://www.nytimes.com/2010/11/17/nyregion/17tunnel.html|url=http://www.nytimes.com/2010/11/17/nyregion/17tunnel.html|accessdate=November 16, 2010|archivedate=November 18, 2010 <!--Staff writer(s); no by-line.-->|deadurl=no}}</ref>
 
===10番街駅===
On February 2, 2011, the city's Economic Development Corporation voted to budget up to $250,000 for a [[フィジビリティスタディ|feasibility study]] of a tunnel for the subway line extension. The engineering firm Parsons Brinckerhoff carried out the study.<ref>{{Template:Cite web|url=http://transportationnation.org/2011/02/04/city-finally-puts-behind-subway-to-new-jersey/|title=City finally puts $ behind subway to New Jersey|accessdate=February 7, 2011|authorlink=|coauthors=|date=February 4, 2011|work=|publisher=Transportation Nation|archiveurl=http://web.archive.org/web/20110206082530/http://transportationnation.org/2011/02/04/city-finally-puts-behind-subway-to-new-jersey/|archivedate=February 6, 2011 <!--Staff writer(s); no by-line.-->|doi=|last=Bernstein|first=Andrea|deadurl=no}}</ref><ref>{{Template:Cite web|url=http://www.scribd.com/doc/48185181/No-7-Extension-Executive-Committee-Item-Final-Draft-2|title=No. 7 Line Extension to Secaucus Consultant Services|accessdate=February 7, 2011|authorlink=|coauthors=|date=February 2, 2011|format=PDF|work=|publisher=www.scribd.com|doi=|last=New York City Economic Development Commission|first=}}</ref> The report was released in April 2013.<ref>{{Template:Cite news|last=Frasinelli|first=Mike|date=April 10, 2013|newspaper=The Star-Ledger|title=Plan to extend No. 7 subway from NYC to New Jersey could be back on track|url=http://www.nj.com/news/index.ssf/2013/04/plan_to_extend_no_7_city_subwa.html|accessdate=April 10, 2013|quote=}}</ref><ref>{{Template:Cite news|last=Rouse|first=Karen|date=April 10, 2013|newspaper=The Record|title=Report: Extending NY No. 7 subway line to Secaucus would accommodate commuter demand|url=http://www.northjersey.com/news/NY_No_7_Subway_to_Secaucus.html|accessdate=April 10, 2013|quote=}}</ref> The proposal includes the construction of the in-fill station at 10th Avenue, tunnels running along the path of the ARC tunnel, and a multi-level multi-modal addition to Secaucus Junction. A widening of the right-of way of the [[北東回廊|Northeast Corridor]] was considered.<ref name="nycedc 1">{{Template:Cite report|author=Parsons Brinkerhoff|title=No 7 Secaucus Extension Feasibility Analysis Final Report|publisher=NYCEDC|date=April 2013|url=http://www.nycedc.com/sites/default/files/filemanager/Resources/Studies/No_7_Secaucus_Extension_Final_Report_April_2013.pdf|format=PDF|accessdate=April 10, 2013|page=1}}</ref>
{{Further|:en:10th Avenue (IRT Flushing Line)}}
当初の計画では10番街41丁目にも新駅が設けられる予定であったが、コスト超過のため2007年10月に取り止めとなり、延伸区間には終点の34丁目-ハドソン・ヤード駅のみ設けられることになった。MTA は建設資金の手当てがつけば建設するとしており<ref name="ny1-2007-10-25"/>、2007年の建設契約では基本部分には含まれていなかったが、4億5000万ドルのオプション部分には残していた。2007年12月終わり頃の報告書では、ニューヨーク市政府と MTA が駅舎部分の建設費で合意できれば部分的に建設されるかもしれないとされていた<ref>{{Cite news |title=7 Line Extension May Get 41st Street Stop |first=Marlene |last=Naanes |url=http://www.amny.com/news/local/am-mta1221,0,632084.story |newspaper=[[:en:AM New York|amNewYork]] |date=December 20, 2007 |accessdate=February 28, 2010 |archiveurl=http://web.archive.org/web/20090513011927/http://www.amny.com/news/local/am-mta1221,0,632084.story |archivedate=May 13, 2009}}</ref>。 2009年2月には、MTA が[[2009年アメリカ復興・再投資法]]に基づく総合経済対策から十分な資金援助が得られれば建設できると発表した<ref>{{Cite news |title=Will the Stimulus Save 7 Extension Stop? |first=Benjamin |last=Kabak |url=http://secondavenuesagas.com/2009/02/02/will-the-stimulus-save-7-extension-stop/ |work=Second Ave. Sagas |date=February 2, 2009 |accessdate=February 28, 2010}}</ref>。2010年6月にはニューヨーク市が2本のプラットホームと2つの出入口を備え、プラットホーム間の地下連絡通路は設けない駅舎を後日建設する場合の実現可能性を検討するための予算調達を模索していたと発表した<ref>{{Cite news |title=Outcry Emerges for 41st St. Stop on New 7-Line |first=Theresa |last=Agovino |url=http://www.crainsnewyork.com/article/20100216/FREE/100219925 |newspaper=[[:en:Crain's New York Business|Crain's New York Business]] |date=February 16, 2010 |accessdate=April 3, 2010 |archiveurl=http://web.archive.org/web/20100218115623/http://www.crainsnewyork.com/article/20100216/FREE/100219925 |archivedate=February 18, 2010 <!--Staff writer(s); no by-line.--> |deadurl=no}}</ref><ref>{{Cite news |title=West Side Developers Fight For 7 Line Extension |first=Jill |last=Urban |url=http://www.ny1.com/1-all-boroughs-news-content/ny1_living/116312/west-side-developers-fight-for-7-line-extension |work=[[NY1]] |date=April 2, 2010 |accessdate=April 3, 2010}}</ref><ref>{{Cite news |title=City Officials Seek Federal Assistance For 7 Subway Extension |url=http://manhattan.ny1.com/content/top_stories/117672/city-officials-seek-federal-assistance-for-7-subway-extension |work=[[NY1]] |date=April 27, 2010 |accessdate=April 27, 2010 |archiveurl=http://web.archive.org/web/20100531155214/http://manhattan.ny1.com/content/top_stories/117672/city-officials-seek-federal-assistance-for-7-subway-extension |archivedate=May 31, 2010 <!--Staff writer(s); no by-line.--> |deadurl=no}}</ref><ref>{{Cite news |title=City Considering 10th Avenue Stop For 7 Train |url=http://www.ny1.com/content/top_stories/120156/city-considering-10th-avenue-stop-for-7-train |work=[[NY1]] |date=June 10, 2010 |accessdate=June 10, 2010}}</ref><ref>{{Cite news |title=Mayor Applies For Funds To Redesign 7 Train Extension |url=http://manhattan.ny1.com/content/top_stories/121366/mayor-applies-for-funds-to-redesign-7-train-extension |work=[[NY1]] |date=June 30, 2010 |accessdate=June 30, 2010}}</ref>。
 
===ニュージャージー州への延伸計画===
The ''[[ニューヨーク・ポスト|New York Post]]'' has reported that the Flushing line extension to [[ユニオンシティ (ニュージャージー州)|Union City]] and Secaucus will have a formal proposal made by Mayor Bloomberg around the end of 2012. New Jersey Governor [[クリス・クリスティ|Chris Christie]] and the [[ポート・オーソリティ|Port Authority]] are on record as supporting the plan, along with splitting the estimated US$10 billion cost if it is officially approved.<ref>{{Template:Cite news|last=Margolin|first=Josh|date=October 26, 2011|work=[[New York Post]]|title=Mayor aboard subway to NJ (Supports No. 7 extension to Secaucus)|url=http://www.nypost.com/p/news/local/manhattan/mayor_aboard_subway_to_nj_iA2sZ3IMDdLKJYx7XCxGSI|accessdate=October 26, 2011}}</ref>
1993年に MTA がハドソン川を越えて7号線を延伸する検討を始めてから17年後の2010年には、[[ニューヨーク・タイムズ]]が[[マイケル・ブルームバーグ]]市長がマンハッタン島対岸の[[ニュージャージー州]] [[ホーボーケン駅]]や、[[ニュージャージー・トランジット]]のハブ駅である[[セカーカス・ジャンクション駅]]への延伸が検討されていたと報道した。これにより、ニュージャージー州に住む利用者にとってマンハッタン・イーストサイドにある[[グランド・セントラル駅]]に直行できるルートができ、さらにニューヨーク市地下鉄の他の路線への乗り換えも容易になると考えられた<ref>{{Cite news |title=Take the No. 7 to Secaucus? |first=Bagli |last=Charles V. |url=http://www.nytimes.com/2010/11/17/nyregion/17tunnel.html |newspaper=[[ニューヨーク・タイムズ|The New York Times]] |date=November 17, 2010 |accessdate=July 3, 2013}}</ref>。
 
もし開業すれば、州境(ニューヨーク州 - ニュージャージ州)を超える初めてのニューヨーク市地下鉄路線になる。このプランは[[クリス・クリスティ]] ニュージャージー州知事が2010年10月に中止したARC([[:en:Access to the Region's Core|Access to the Region's Core]])トンネルの代わりとなるものだった<ref>{{Cite news |title=New York Studies Extending Subway Line to New Jersey |first=Charles |last=Bagli |url=http://www.nytimes.com/2010/11/17/nyregion/17tunnel.html |newspaper=[[ニューヨーク・タイムズ|The New York Times]] |date=November 16, 2010 |accessdate=November 16, 2010 |archiveurl=http://web.archive.org/web/20101118062720/http://www.nytimes.com/2010/11/17/nyregion/17tunnel.html |archivedate=November 18, 2010 <!--Staff writer(s); no by-line.--> |deadurl=no}}</ref>。
A subway extension would cost less than the ARC tunnel, as it would start at the planned station at [[11番街 (マンハッタン)|Eleventh Avenue]] and go west, avoiding the expensive tunnel boring work east to [[ヘラルド・スクエア|Herald Square]] and the complex station deep underground there. However, travel times into Manhattan might be longer than under the original ARC proposal, because riders would need to transfer to the subway from New Jersey Transit trains at Secaucus. Additionally, because NJT trains would continue to or from Penn Station, the key goal of reduced tunnel congestion between New Jersey and New York would not be achieved. On the other hand, as Governor Christie said "It would actually connect us to the east side of Manhattan, like we always wanted to..."<ref>{{Template:Cite news|last=Bernstein|first=Andrea|date=November 16, 2010|title=Mayor Bloomberg Explores Extending Subway to New Jersey|url=http://www.wnyc.org/articles/wnyc-news/2010/nov/16/mayor-bloomberg-explores-extending-subway-new-jersey/|publisher=[[WNYC]]}}</ref> Bloomberg had yet to meet with New York Governor-elect [[アンドリュー・クオモ|Andrew Cuomo]] and the project, which could require five additional years to develop, would not be automatically entitled to the federal funding allotted to the ARC tunnel.<ref>{{Template:Cite news|last=O'Grady|first=Jim|date=November 17, 2010|work=Transportation Nation|title=Bloomberg: New Tunnel Could Be "Even Better" Than ARC|url=http://transportationnation.org/2010/11/17/bloomberg-new-tunnel-could-be-even-better-than-arc/#more-8561|publisher=[[WNYC]]}}</ref><ref>{{Template:Cite news|date=November 17, 2010|title=NJ Commuters Like 7 Train Extension Plan|url=http://newyork.cbslocal.com/2010/11/17/nyc-subway-line-may-continue-into-n-j/|publisher=[[WCBS-TV|WCBS]]}}</ref><ref>{{Template:Cite news|date=November 17, 2010|title=Tunnel to Nowhere Might Become 7 to Secaucus|url=http://www.nbcnewyork.com/news/local-beat/Tunnel-to-Nowhere-Might-Become-7-to-Secaucus-108680929.html|publisher=[[WNBC]]}}</ref><ref>{{Template:Cite news|last=Roth|first=Jaime|date=November 17, 2010|title=7 Subway Extension to NJ (Video)|url=http://abclocal.go.com/wabc/video?id=7794331|publisher=[[WABC-TV|WABC]]}}</ref>
 
2011年2月2日に、{{仮リンク|ニューヨーク市経済開発公社|en|New York City Economic Development Corporation}}は地下鉄延伸用トンネルの[[フィジビリティスタディ]]に上限25万ドルの予算を付けた。フィジビリティスタディは技術コンサル会社の{{仮リンク|パーソンズ・ブリンカーホフ|en|Parsons Brinckerhoff}}が担当した<ref>{{cite web |last=Bernstein |first=Andrea |authorlink= |coauthors= |title=City finally puts $ behind subway to New Jersey |work= |publisher=Transportation Nation |date=February 4, 2011 |url=http://transportationnation.org/2011/02/04/city-finally-puts-behind-subway-to-new-jersey/ |doi= |accessdate=February 7, 2011 |archiveurl=http://web.archive.org/web/20110206082530/http://transportationnation.org/2011/02/04/city-finally-puts-behind-subway-to-new-jersey/ |archivedate=February 6, 2011 <!--Staff writer(s); no by-line.--> |deadurl=no}}</ref><ref>{{cite web |last=New York City Economic Development Commission |first= |authorlink= |coauthors= |title=No. 7 Line Extension to Secaucus Consultant Services |work= |publisher=www.scribd.com |date=February 2, 2011 |url=http://www.scribd.com/doc/48185181/No-7-Extension-Executive-Committee-Item-Final-Draft-2 |format=PDF |doi= |accessdate=February 7, 2011}}</ref>。報告書は2013年4月に発表され<ref>{{cite news |last=Frasinelli |first=Mike |title=Plan to extend No. 7 subway from NYC to New Jersey could be back on track |newspaper=The Star-Ledger |date=April 10, 2013 |url=http://www.nj.com/news/index.ssf/2013/04/plan_to_extend_no_7_city_subwa.html |accessdate=April 10, 2013 |quote=}}</ref><ref>{{cite news |last=Rouse |first=Karen |title=Report: Extending NY No. 7 subway line to Secaucus would accommodate commuter demand |newspaper=The Record |date=April 10, 2013 |url=http://www.northjersey.com/news/NY_No_7_Subway_to_Secaucus.html |accessdate=April 10, 2013 |quote=}}</ref>、ARCトンネルの予定経路にトンネルを建設すること、セカーカス・ジャンクション駅までの{{仮リンク|マルチモーダル輸送|en|Multimodal transport}}を確保すること、{{仮リンク|10番街駅|en|10th Avenue (IRT Flushing Line)}}を建設することなどが提案されており、[[北東回廊]]の拡張も考慮されていた<ref name="nycedc 1">{{cite report |author=Parsons Brinkerhoff |title=No 7 Secaucus Extension Feasibility Analysis Final Report |publisher=NYCEDC |date=April 2013 |url=http://www.nycedc.com/sites/default/files/filemanager/Resources/Studies/No_7_Secaucus_Extension_Final_Report_April_2013.pdf |format=PDF |accessdate=April 10, 2013 |page=1}}</ref>。
Amtrak's February 2011 announcement of the Gateway Project includes a proposal to extend the 7 service three blocks east of Eleventh Avenue to [[ペンシルベニア駅 (ニューヨーク)|New York Penn Station]], instead of five miles west to Secaucus.<ref name="GatewayPDF">{{Template:Cite web|url=http://lautenberg.senate.gov/assets/Gateway.pdf|title=Gateway Project|accessdate=February 7, 2011|authorlink=|coauthors=|date=February 2011|format=PDF|work=|publisher=Amtrak|page=7|archiveurl=http://web.archive.org/web/20110207210953/http://lautenberg.senate.gov/assets/Gateway.pdf|archivedate=February 7, 2011 <!--Staff writer(s); no by-line.-->|doi=|last=|first=|deadurl=no}}</ref> Gateway, under auspices of [[アムトラック|Amtrak]], would include a high-speed rail right-of way from Newark Penn to New York Penn and provide more capacity on New Jersey Transit rail operations. [[アメリカ合衆国議会|US Congress]] allocated $15 million for studies for the project in November 2011. It is likely the two projects, Gateway and the subway extension, will be in competition for funding.<ref>{{Template:Cite news|last=Higgss|first=Larry|date=December 4, 2011|newspaper=Asbury Park Press|title=Tunnelvision Gateway project, No. 7 train extension latest to vie for trans-Hudson blessing|url=http://www.app.com/article/20111204/NJOPINION06/312040019/Gateway-project-No-7-line-extension-latest-vie-trans-Hudson-blessing?odyssey=nav%7Chead|accessdate=December 5, 2011|quote=|postscript=<!-- Bot inserted parameter. Either remove it; or change its value to "." for the cite to end in a ".", as necessary. -->{{inconsistent citations}}}}</ref>
 
[[ニューヨーク・ポスト]]は[[ユニオンシティ (ニュージャージー州)|ユニオンシティ]]と[[セカーカス (ニュージャージー州)|セカーカス]]へのフラッシング線の延伸について、2012年末にブルームバーグ市長が公式に提案すると報道した。[[クリス・クリスティ]] ニュージャージー州知事と[[ポート・オーソリティ]]は、計画が正式に承認されれば推計100億ドルの建設費の一部を負担して支持すると述べたという<ref>{{cite news |url=http://www.nypost.com/p/news/local/manhattan/mayor_aboard_subway_to_nj_iA2sZ3IMDdLKJYx7XCxGSI |title=Mayor aboard subway to NJ (Supports No. 7 extension to Secaucus) |work=[[ニューヨーク・ポスト]] |first=Josh |last=Margolin |date=October 26, 2011 |accessdate=October 26, 2011}}</ref>。
In April 2012, citing budget considerations, the director of the [[メトロポリタン・トランスポーテーション・オーソリティ|MTA]], Joe Lhota, said that it was doubtful the extension would be built in the foreseeable future, suggesting that the Gateway Project was a much more likely solution to congestion at Hudson River crossings.<ref>{{Template:Cite news|last=Haughney|first=Christine|date=April 3, 2012|newspaper=The New York Times|title=MTA Chief rules out subway line to New Jersey|url=http://www.nytimes.com/2012/04/04/nyregion/transit-agency-chief-rules-out-new-york-new-jersey-subway.html?_r=1&scp=1&sq=7%20subway%20extension&st=cse|accessdate=April 4, 2012|quote=|postscript=<!-- Bot inserted parameter. Either remove it; or change its value to "." for the cite to end in a ".", as necessary. -->{{inconsistent citations}}}}</ref> However, a feasibility study commissioned by the city and released in April 2013 revived hope for the project, with Mayor Bloomberg saying "Extending the 7 train to Secaucus is a promising potential solution ... and is deserving of serious consideration."<ref>[http://www.nj.com/news/index.ssf/2013/04/plan_to_extend_no_7_city_subwa.html Plan to extend No. 7 subway from NYC to New Jersey could be back on track], Mike Frassinelli, The Star-Ledger, April 10, 2013</ref><ref name="nycedc 2">{{Template:Cite report|author=Parsons Brinkerhoff|title=No 7 Secaucus Extension Feasibility Analysis Final Report|publisher=NYCEDC|date=April 2013|url=http://www.nycedc.com/sites/default/files/filemanager/Resources/Studies/No_7_Secaucus_Extension_Final_Report_April_2013.pdf|format=PDF|accessdate=April 10, 2013|page=III–X}}</ref>
 
この計画は、[[11番街]]に新駅を設置して西進するルートを採ることで、費用の嵩む[[ヘラルド・スクエア]]東側へのトンネル掘削工事や大深度地下への複合駅設置を避けることができ、ARCトンネルよりも安上がりであった。しかし、セカーカスでニュージャージー・トランジットからニューヨーク市地下鉄への乗り換えが必要となることから、ARCの原案よりもマンハッタンへの所要時間は長くなる可能性があった。さらに、ニュージャージー・トランジットは延伸後も始終点を引き続きペンシルベニア駅とする予定で、ニュージャージー州とニューヨーク州を結ぶトンネルを短く済ませるという目標は達成できそうになかった。一方でクリスティ知事は「私たちが常に望んできたように、この計画は我々をマンハッタンの東側と結びつけるものだ」<ref>{{cite news |url=http://www.wnyc.org/articles/wnyc-news/2010/nov/16/mayor-bloomberg-explores-extending-subway-new-jersey/ |title=Mayor Bloomberg Explores Extending Subway to New Jersey |publisher=[[:en:WNYC|WNYC]] |first=Andrea |last=Bernstein |date=November 16, 2010}}</ref>とも述べている。ブルームバーグ市長はニューヨーク州知事に選出された[[アンドリュー・クオモ]]にこのプロジェクトをお披露目していなかった。これは、このプロジェクトがさらに5年の歳月を要することから、ARCトンネルに交付される予定だった連邦政府からの補助金が自動的にこのプロジェクトに割り当てられない可能性があったからであった<ref>{{cite news |url=http://transportationnation.org/2010/11/17/bloomberg-new-tunnel-could-be-even-better-than-arc/#more-8561 |title=Bloomberg: New Tunnel Could Be "Even Better" Than ARC |publisher=[[:en:WNYC|WNYC]] |work=Transportation Nation |first=Jim |last=O'Grady |date=November 17, 2010}}</ref><ref>{{cite news |url=http://newyork.cbslocal.com/2010/11/17/nyc-subway-line-may-continue-into-n-j/ |title=NJ Commuters Like 7 Train Extension Plan |publisher=[[WCBS-TV|WCBS]] |date=November 17, 2010}}</ref><ref>{{cite news |url=http://www.nbcnewyork.com/news/local-beat/Tunnel-to-Nowhere-Might-Become-7-to-Secaucus-108680929.html |title=Tunnel to Nowhere Might Become 7 to Secaucus |publisher=[[WNBC]] |date=November 17, 2010}}</ref><ref>{{cite news |url=http://abclocal.go.com/wabc/video?id=7794331 |title=7 Subway Extension to NJ (Video) |publisher=[[WABC-TV|WABC]] |first=Jaime |last=Roth |date=November 17, 2010}}</ref>。
In a November 2013 ''Daily News'' opinion article, the president of the Real Estate Board of New York and the chairman of Edison Properties called for the line to be extended to Secaucus in tunnels to be shared with the Gateway Project.<ref>{{Template:Cite news|last=Gottesman|last2=Spinola|first=Jerry|first2=Steven|date=November 4, 2013|newspaper=Daily News|title=Let’s extend the 7 train to Secaucus After the far West Side, the next stop on the 7 should be across the river|url=http://www.nydailynews.com/opinion/extend-7-train-secaucus-article-1.1504464|location=New York|accessdate=November 4, 2013|quote=}}</ref> Later in November 2013 the New Jersey Assembly passed a Resolution 168<ref>{{Template:Cite web|url=http://www.njleg.state.nj.us/2012/Bills/AR/168_I1.PDF|title=AN ASSEMBLY RESOLUTION supporting the extension of the New York City IRT Flushing Line into the State of New Jersey.|accessdate=November 26, 2013|date=May 13, 2013|format=PDF|work=ASSEMBLY RESOLUTION No. 168 STATE OF NEW JERSEY 215th LEGISLATURE|publisher=New Jersey Legislature}}</ref> supporting the extension of the line to [[ホーボーケン (ニュージャージー州)|Hoboken]] and Secaucus.<ref>{{Template:Cite web|url=http://www.nj.com/hudson/index.ssf/2013/11/no_7_expansion.html#incart_river_default|title=Committee green lights expansion of NYC subway to Hoboken|accessdate=November 26, 2013|date=November 26, 2013|publisher=NJ.com|last=Brenzel|first=Kathryn}}</ref>
 
[[アムトラック]]が2011年2月に発表した{{仮リンク|ゲートウェイ・プロジェクト|en|Gateway Project}}では7号線をセカーカスまで西に5マイル延伸する代わりに、11番街から3ブロック東の[[ペンシルベニア駅 (ニューヨーク)|ニューヨーク・ペン駅]]まで延伸することになっていた<ref name =GatewayPDF>{{cite web |page=7 |last= |first= |authorlink= |coauthors= |title=Gateway Project |work= |publisher=Amtrak |date=February 2011 |url=http://lautenberg.senate.gov/assets/Gateway.pdf |format=PDF |doi= |accessdate=February 7, 2011 |archiveurl=http://web.archive.org/web/20110207210953/http://lautenberg.senate.gov/assets/Gateway.pdf |archivedate=February 7, 2011 <!--Staff writer(s); no by-line.--> |deadurl=no}}</ref>。ゲートウェイ・プロジェクトは[[アムトラック]]の後押しで{{仮リンク|ペンシルベニア駅 (ニューアーク)|en|Pennsylvania Station (Newark)|label=ニューアーク・ペン駅}}からニューヨーク・ペン駅までの高速鉄道を敷設し、{{仮リンク|ニュージャージー・トランジット・レイル・オペレーションズ|en|New Jersey Transit rail operations}}の輸送力を増強するものであった。 [[アメリカ合衆国議会|連邦議会]]は2011年11月にプロジェクトの研究資金として1500万ドルを割り当てていたが、ゲートウェイ・プロジェクトと地下鉄延伸は資金調達においては競合関係にあった<ref>{{Cite news |last=Higgss |first=Larry |title=Tunnelvision Gateway project, No. 7 train extension latest to vie for trans-Hudson blessing |newspaper=Asbury Park Press |date=December 4, 2011 |url=http://www.app.com/article/20111204/NJOPINION06/312040019/Gateway-project-No-7-line-extension-latest-vie-trans-Hudson-blessing?odyssey=nav%7Chead |accessdate=December 5, 2011 |quote= |postscript=<!-- Bot inserted parameter. Either remove it; or change its value to "." for the cite to end in a ".", as necessary. -->{{inconsistent citations}} }}</ref>。
== Awards and innovations ==
The New York State Society of Professional Engineers awarded the first construction phase, "Running Tunnels and Underground Structures," its 2013 Construction Project of the Year. According to the society, the project team won the award "for outstanding professional engineering efforts in developing creative solutions and innovative technologies in construction of an infrastructure project. The No. 7 project used the first double-shielded [[トンネルボーリングマシン|tunnel boring machines]] (TBMs) to tunnel under New York City while placing precast concrete segments to form the tunnels’ walls. For the first time in the world, a ground freezing method was used to harden soil to act as rock to allow TBMs to maintain proper course while boring and placing the tunnel liners."<ref>{{Template:Cite web|url=http://www.tunnelingonline.com/new-york-state-society-of-professional-engineers-award/|title=New York State Society of Professional Engineers Recognizes No. 7 Line Project|accessdate=August 20, 2013|date=July 3, 2013|publisher=|website=Tunnel Business Magazine}}</ref> While the extension extends <span contenteditable="false">1 mile (1.6</span>&nbsp;<span contenteditable="false">km)</span>, the tunnels are actually <span contenteditable="false">1.5 miles (2.4</span>&nbsp;<span contenteditable="false">km)</span> long.<ref>{{Template:Cite web|url=http://web.mta.info/capital/future/extension.php|title=7 Line Extension|accessdate=November 10, 2013|work=MTA.info}}</ref>
 
2012年4月の予算審議において、[[メトロポリタン・トランスポーテーション・オーソリティ|MTA]]ディレクターの{{仮リンク|ジョー・ロータ|en|Joe Lhota}}は、延伸線が予見可能な将来に建設されるというのは疑問であり、ゲートウェイ・プロジェクトはハドソン川の渡河に関わる渋滞についてより有効な解決策であることを示唆している、と述べた<ref>{{Cite news |last=Haughney |first=Christine |title=MTA Chief rules out subway line to New Jersey |newspaper=The New York Times |date=April 3, 2012 |url=http://www.nytimes.com/2012/04/04/nyregion/transit-agency-chief-rules-out-new-york-new-jersey-subway.html?_r=1&scp=1&sq=7%20subway%20extension&st=cse |accessdate=April 4, 2012 |quote= |postscript=<!-- Bot inserted parameter. Either remove it; or change its value to "." for the cite to end in a ".", as necessary. -->{{inconsistent citations}} }}</ref>。しかし、2013年4月に発表されたニューヨーク市の委託によるフィジビリティスタディの結果は延伸計画の復活に望みを繋ぐものであり、ブルームバーグ市長も「セカーカスへの7号線の延伸は潜在的に有望なソリューションで、真剣に検討する価値がある」と述べた<ref>[http://www.nj.com/news/index.ssf/2013/04/plan_to_extend_no_7_city_subwa.html Plan to extend No. 7 subway from NYC to New Jersey could be back on track], Mike Frassinelli, The Star-Ledger, April 10, 2013</ref><ref name="nycedc 2">{{cite report |author=Parsons Brinkerhoff |title=No 7 Secaucus Extension Feasibility Analysis Final Report |publisher=NYCEDC |date=April 2013 |url=http://www.nycedc.com/sites/default/files/filemanager/Resources/Studies/No_7_Secaucus_Extension_Final_Report_April_2013.pdf |format=PDF |accessdate=April 10, 2013 |page=III-X}}</ref>。
== See also ==
 
2013年11月4日の[[ニューヨーク・デイリーニューズ]]の意見欄では、{{仮リンク|ニューヨーク不動産業協会|en|Real Estate Board of New York}}と{{仮リンク|エジソン・プロパティーズ|en|Edison Properties}}の会長がトンネルをゲートウェイ・プロジェクトと共用する形で地下鉄をセカーカスまで延伸することを求め<ref>{{cite news |last=Gottesman |first=Jerry |last2=Spinola |first2=Steven |title=Let’s extend the 7 train to Secaucus After the far West Side, the next stop on the 7 should be across the river |newspaper=Daily News |date=November 4, 2013 |url=http://www.nydailynews.com/opinion/extend-7-train-secaucus-article-1.1504464 |accessdate=November 4, 2013 |quote= |location=New York}}</ref>、同月のニュージャージー州議会下院では7号線の[[ホーボーケン (ニュージャージー州)|ホーボーケン]]および[[セカーカス (ニュージャージー州)|セカーカス]]への延伸を支持する決議168号が可決された<ref>{{cite web |title=AN ASSEMBLY RESOLUTION supporting the extension of the New York City IRT Flushing Line into the State of New Jersey. |work=ASSEMBLY RESOLUTION No. 168 STATE OF NEW JERSEY 215th LEGISLATURE |publisher=New Jersey Legislature |date=May 13, 2013 |url=http://www.njleg.state.nj.us/2012/Bills/AR/168_I1.PDF |format=PDF |accessdate=November 26, 2013}}</ref><ref>{{cite web |last=Brenzel |first=Kathryn |title=Committee green lights expansion of NYC subway to Hoboken |publisher=NJ.com |date=November 26, 2013 |url=http://www.nj.com/hudson/index.ssf/2013/11/no_7_expansion.html#incart_river_default |accessdate=November 26, 2013}}</ref>。
== References ==
 
==受賞==
ニューヨーク州専門職技師協会([http://nysspe.org/ New York State Society of Professional Engineers, NYSSPE])は延伸区間の第1期工事(トンネル掘進と地下構造)を2013年のコンストラクション・プロジェクト・オブ・ザ・イヤーに選定した。NYSSPEは授賞理由として「インフラ建設プロジェクトでの創造的ソリューションと革新的技術の開発における優れたエンジニアリング事例であり、7号線延伸プロジェクトはニューヨーク市内の地下トンネル掘削において初めてプレキャストコンクリート製セグメントでトンネル内壁を構築する二重シールド[[トンネルボーリングマシン]]を適用した。また、TBMが適切なコースでトンネル掘進や内壁構築が行えるよう、軟弱地盤の硬化に世界で初めて凍結工法を適用した」ことを挙げた<ref>{{cite web |url=http://www.tunnelingonline.com/new-york-state-society-of-professional-engineers-award/ |title=New York State Society of Professional Engineers Recognizes No. 7 Line Project |date=July 3, 2013 |website=Tunnel Business Magazine |publisher= |accessdate=August 20, 2013}}</ref>。延伸区間は1.6キロメートルだが、トンネル自体は全長2.3キロメートルである<ref>{{cite web |url=http://web.mta.info/capital/future/extension.php |work=MTA.info |accessdate=November 10, 2013 |title=7 Line Extension}}</ref>。
 
==関連項目==
*[[イースト・サイド・アクセス]] ([[ロングアイランド鉄道]])
*{{仮リンク|ゲートウェイ・プロジェクト|en|Gateway Project}} ([[ニュージャージー・トランジット]])
*{{仮リンク|ロウアー・マンハッタン - ジャマイカ / JFK トランスポーテーション・プロジェクト|en|Lower Manhattan - Jamaica / JFK Transportation Project}} (AirTrain JFK/LIRR)
*[[IND2番街線]] (ニューヨーク市地下鉄)
{{div col end}}
<!-- please keep entries in alphabetical order -->
 
== 脚注 ==
{{Reflist|30em}}
 
== External links外部リンク ==
{{Attached KML|display=inline,title|from=7 Subway Extension}}
{{external media
| headerimage = [[File:7Line 5335 (5836127809).jpg|220px|link=|alt=]]
| topic = ニューヨーク市都市交通局が公開した7号線延伸工事のビデオクリップ(YouTube)| width = 220px
| align = right
| video1 = [//www.youtube.com/watch?v=duS5eqiAZEM Update], 2012年1月12日、2:32
| video2 = [//www.youtube.com/watch?v=y3Ua2tvc6RM Update], 2010年6月16日、3:13
| video3 = [//www.youtube.com/watch?v=4OmEsYhPaYs Update], 2011年5月4日、2:59
| video4 = [//www.youtube.com/watch?v=O8CKb5lMR_E Update], 2011年11月16日、2:27
| video5 = [//www.youtube.com/watch?v=ogoQC5kFi6g Update - Rails being delivered], 2012年5月10日、2:53
| video6 = [//www.youtube.com/watch?v=ugFZSPcJWTU Update], 2011年11月16日、3:08
| video7 = [//www.youtube.com/watch?v=3H6RiLzW7ng Inaugural Ride], 2013年12月21日、9:30
| video8 = [//www.youtube.com/watch?v=gZ6L4RcHzQU 7 Line Extension Train Operator and Dispatcher Training], 2015年5月31日、3:39
| video9 = [//www.youtube.com/watch?v=NHJZ7_YGOUw 34 St-Hudson Yards Station], 2015年9月13日、4:51
}}
 
* {{Template:Commonscat-inline|7 Subway Extension}}
* [http://web.mta.info/capital/no7_alt.html 7 Subway Extension Update] – Official MTA 7 Subway Extension Project Page (updated November 2008 and October 2009)