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Second Avenue Subway Project Technical Memoranda

Technical Memoranda

Below are technical memoranda providing the results of FTA analysis of potential environmental impacts that could occur as a result of design changes to the the Second Avenue Subway Project.  These technical memoranda summarize changes proposed by the Metropolitan Transportation Authority/ New York City Transit since FTA's issuance of the Final Environmental Impact Statement for the project on April 8, 2004, and the Record of Decision on July 8, 2004.

Second Avenue Subway Project Technical Memorandum No. 1
(January 2007)

Second Avenue Subway Project Technical Memorandum No. 2 
(April 2007)

Second Avenue Subway Project Technical Memorandum No. 3 
(July 2007)

Second Avenue Subway Project Technical Memorandum No. 4 
(September 2008)

Second Avenue Subway Project Technical Memorandum No. 5 
(April 2010)

Second Avenue Subway Project Technical Memorandum No. 6 
(September 2010)

Second Avenue Subway Project Technical Memorandum No. 7 
(December 2010)

Second Avenue Subway Project Technical Memorandum No. 8 
(January 2011)

Second Avenue Subway Project Technical Memorandum No. 9 
(October 2011)

Second Avenue Subway Project Technical Memorandum No. 10
(December 2012)

Second Avenue Subway Project Technical Memorandum No. 11
(June 2013)

Updated: Wednesday, April 6, 2016
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