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Office Of Transporation Planning Massachusetts Department of transporatation
South Station Expansion

About This Project

Project Update

MassDOT plans to submit a Final Environmental Impact Report (FEIR) for the South Station Expansion Project to the Massachusetts Secretary of Energy and Environmental Affairs early this summer. The FEIR includes a preferred South Station Expansion alternative, summarizes the changes to the project since the Draft Environmental Impact Report (DEIR) filing in 2014, and incorporates the additional environmental analyses outlined in the Certificate on the DEIR. The FEIR provides responses to comments received on the DEIR.

MassDOT is finalizing the FEIR filing schedule and additional materials. All public meetings are listed under Upcoming Meetings on this page.

In addition, MassDOT is preparing an Environmental Assessment (EA) under the federal National Environmental Policy Act (NEPA). The EA will be released in 2017.

About The Project

Boston South Station is the premier passenger rail hub in New England. It serves passengers from the Northeast Corridor (NEC) and beyond, connecting them to local and intercity destinations. It is one of the most significant architectural structures in the City of Boston, and one of its most important transportation assets.

At present, South Station operates above its design capacity for efficient train operations and orderly passenger queuing. When it opened to the public in 1899, South Station had 28 tracks; that number is now 13, significantly constraining current and future rail mobility not only within Massachusetts but throughout New England and the NEC. South Station also lacks comfortable, modern facilities for passenger queuing, leaving riders standing in the elements as they wait to board their trains. In addition, South Station lacks sufficient ancillary vehicle storage capacity, constraining operations today and limiting future growth.

On October 31, 2014, MassDOT submitted a Draft Environmental Impact Report (DEIR) for the South Station Expansion project to the Massachusetts Secretary of Energy and Environmental Affairs. The Secretary issued a MEPA Certificate on December 31, 2014. The project involves acquisition and demolition of the USPS General Mail Facility (GMF) located on Dorchester Avenue adjacent to South Station, which would provide an approximately 14-acre site for the expansion. MassDOT proposes to expand the South Station Terminal, adding a new headhouse and a major station entrance along Dorchester Avenue. The project will add four platforms and seven new tracks, make operational improvements, reopen Dorchester Avenue and extend the Harborwalk, and construct midday rail layover facilities at Widett Circle and Readville-Yard 2.

MassDOT is simultaneously performing environmental review of the I-90 Allston Interchange Project, which includes the Beacon Park Yard rail site and I-90 (the Massachusetts Turnpike) for midday layover storage.

MassDOT is committed to comprehensive and inclusive civic engagement as part of the South Station Expansion project. Please explore the website for additional information, and feel free to contact Steve Woelfel, Deputy Director, MassDOT Office of Transportation Planning.

What's New

Upcoming Meetings


MassDOT hosted community meetings in Hyde Park and South Boston on June 7 and 8, 2016. You can review the presentation given at both meetings under Public Involvement on the Documents Page.

Future meetings will be announced on this page.

contact us

For all queries and comments related to the South Station Expansion project, please contact:

Steve Woelfel
MassDOT Office of Transportation Planning
(857) 368-8889
tty: (857) 368-0655

If you need project materials in alternative languages or formats, please email your request

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