IND第二大道線for Action)的一部分開工,但在1975年因為城市面臨財政危機(英语:New York City 1970s fiscal crisis )而停止,只留下幾小段完工的隧道。工程制訂了財務安全的計劃後於2007年4月恢復施工。路線第一期,包括96街、86街及72街車站,隧道全長2英里(3
華盛頓都會區交通局 after only the New York City Subway. The record for daily ridership was 1.12 million on January 20, 2009, the day of Barack Obama's first Presidential
乔·拜登 an Amtrak Evangelist, Could Be a Lifeline for a Rail Agency in Crisis . The New York Times. 2020-10-24 [2020-11-19]. ISSN 0362-4331. (原始内容存档于2020-11-19)
華盛頓地鐵綠線same time as the other Metro tunnels in downtown Washington in the early 1970s . During construction under 7th Street and U Street, where the cut-and-cover
太空競賽Program. New York : Penguin Books. 1994. ISBN 0140272011. Cornwell, John. Hitler's Scientists: Science, War, and the Devil's Pact. New York : Viking Press