Kereta Bawah Tanah Kota New York: Perbedaan antara revisi

| track_gauge = {{RailGaugetrack gauge|usstandardsg|alallk=on}}

Untuk proyek baru telah digunakan [[mesin bor terowongan]] (konstruksi yang lebih mahal daripada metode ''cut-and-cover'') untuk meminimalisir gangguan pada tingkat atas, juga untuk menjaga agar tidak merusah utilitas yang sudah ada.<ref>{{cite web |url=http://publictransport.about.com/od/Glossary/a/The-Two-Methods-Of-Subway-Construction.htm |title=The Two Methods of Subway Construction |author=MacKechnie, Christopher |work=[[about.com]] |accessdate=May 7, 2014 |quote=In exchange for these advantages are two major disadvantages. One is financial: "deep bore" construction costs significantly more than 'cut and cover' |archive-date=2016-12-10 |archive-url=https://web.archive.org/web/20161210162157/http://publictransport.about.com/od/Glossary/a/The-Two-Methods-Of-Subway-Construction.htm |dead-url=yes }}</ref> Contoh proyek baru diantaranya [[Perpanjangan 7 Subway|perpanjangan Jalur IRT Flushing]]<ref>{{cite web |url=http://www.tienyi.com/rda/trans6.html |title=No. 7 Subway Line Extension |work=Richard Dattner & Partners Architects |accessdate=February 28, 2010 |archiveurl=https://web.archive.org/web/20120315212612/http://www.tienyi.com/rda/trans6.html |archivedate=2012-03-15 |dead-url=yes }}</ref><ref>{{Cite news|title=West Side Development Project Gets The Green Light|url=http://bronx.ny1.com/content/news_beats/transit/110795/west-side-development-project-gets-the-green-light|archiveurl=https://web.archive.org/web/20120407015716/http://bronx.ny1.com/content/news_beats/transit/110795/west-side-development-project-gets-the-green-light|archivedate=2012-04-07|work=[[NY1]]|date=December 21, 2009|accessdate=February 28, 2010|dead-url=no}}</ref><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=https://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=2009-05-05|dead-url=yes}}</ref><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> dan [[Second Avenue Subway|Jalur IND Second Avenue]].<ref>{{cite web |url=http://thelaunchbox.blogspot.com/2010/03/march-19-20-2010-blasting-on-second.html" |title=Blasting on Second Avenue |publisher=thelaunchbox.blogspot.com |date=March 22, 2010}}</ref><ref>{{cite news|title=2nd Ave. Subway Tunnel Dig Begins|first=Andrew|last=Siff|url=http://www.nbcnewyork.com/news/local-beat/2nd-Ave-Subway-Tunnel-Dig-Begins-93787364.html|publisher=[[WNBC]]|date=May 14, 2010|accessdate=May 14, 2010}}</ref><ref>{{cite news|title=Tunneling Begins Under Second Avenue|url=http://web.mta.info/news/stories/?story=63|archiveurl=https://web.archive.org/web/20120817181120/http://web.mta.info/news/stories/?story=63|work=MTA|date=May 14, 2010|accessdate=May 17, 2010|archivedate=2012-08-17|dead-url=no}}</ref><ref>{{cite web |author=Various |url=http://www.capitalnewyork.com/article/politics/2011/09/3473217/second-avenue-subway-has-breakthrough-moment-several-billion-more-a?page=all |title=Second Avenue Subway has a breakthrough moment; several billion more are all the M.T.A. wants |publisher=Capital New York |date=September 23, 2011 |accessdate=March 31, 2014 |archive-date=2014-03-31 |archive-url=https://web.archive.org/web/20140331174958/http://www.capitalnewyork.com/article/politics/2011/09/3473217/second-avenue-subway-has-breakthrough-moment-several-billion-more-a?page=all |dead-url=yes }}</ref>