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Supplemental Environmental Assessment to the Second Avenue Subway Final Environmental Impact Statement: Phase 2

Following the recent opening of Phase 1 of the Second Avenue Subway (SAS) in Manhattan, the Metropolitan Transportation Authority (MTA) is now advancing SAS Phase 2, the portion of the new subway that extends service between 96th Street and 125th Street. Phase 2 work will consist of a number of components including subway tunnels; three new stations - at 106th St., 116th St., and 125th St.; track work; traction power substations; circuit breaker houses; facility electrical power; fan plants; ventilation systems; pump rooms; signal and communications work; entrances, and ancillary facilities to support operation of the stations. The MTA is advancing SAS to be constructed in four phases; which, at full length, will stretch 8.5 miles along Manhattan’s East Side, from 125th St. in Harlem to Hanover Square in Lower Manhattan

The Supplemental Environmental Assessment to the Second Avenue Subway Final Environmental Impact Statement: Phase 2 (Supplemental EA) was prepared in accordance with the National Environmental Policy Act (NEPA) for the Federal Transit Administration (FTA) as lead agency to evaluate potential impacts related to the advancing design of Phase 2. A Final Environmental Impact Statement (FEIS) and Record of Decision (ROD) were issued in 2004 for the full-length Project to evaluate its impacts as required by NEPA. The formal public review and comment period ended on August 13th, however the MTA is committed to responding and submitting to the FTA comments received after this date. The Environmental Assessment can be found on the MTA website, at the Second Avenue Subway Community Information Center, 69 East 125th Street, or at the Community Board 10, and 11 District Offices. A Spanish language translation of the Executive Summary, detailing the findings, is available as well. Comments can be submitted in person or in writing to the following addresses:

Hector Santana
Second Avenue Subway
Community Information Center
69 East 125th Street
New York, NY 10034
(212) 722-3700
Donald Burns, AICP
Director, Planning and Program Development
Federal Transit Administration,
Region II
One Bowling Green, Room 429
New York, NY 10004
(212) 668-2170

The following links are in PDF format and requires the Acrobat plug in.


Cover and Table of Contents

Executive Summary

Executive Summary (Spanish)

1: Project Overview

2: Description of Phase 2 Modified Design

3: Transportation

4: Social and Economic Conditions

5: Public Open Spaces

6: Displacement and Relocation

7: Visual and Aesthetic Resources

8: Historic and Archaeological Resources

9: Air Quality

10: Greenhouse Gas Emissions

11: Noise and Vibration

12: Infrastructure and Energy

13: Contaminated Materials

14: Natural Resources

15: Safety and Security

16: Environmental Justice

17: Section 4(f) Evaluation

18: Coastal Zone Consistency

19: Indirect and Cumulative Effects

20: Public Outreach

21: List of Preparers

⯈ Download All Sections

Appendix A: Transportation

Appendix B: Cultural Resources

Appendix C: Natural Resources

Appendix D: Coastal Zone Consistency

Appendix E: Public Outreach Activities

⯈ Download All Appendices


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