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Fenway Portal Flood Protection Project

Between September 2019 and fall 2020, we are adding floodgates and large steel doors to the entrance of the Green Line tunnel near Fenway Station to prevent flooding of the tunnel. Crews will also install an updated pumping station, and new cameras to monitor potential flooding of the Muddy River and rising water levels that could pose a flood risk to our system.

  • Contract awarded: March 2018
  • Projected completion: Fall 2020
  • Budget: $22,187,285
  • Status: 87% construction complete

As part of the Green Line Transformation (GLT), this project meets the following goals:

  • Safety and resiliency: Reduce risk of damage from flooding on the Green Line; fewer weather-related service interruptions

Building a Better T

As part of our $8 billion, 5-year capital investment plan, we're renovating stations, modernizing fare collection systems, upgrading services for our buses, subways, and ferries, and improving the accessibility of the entire system.

Learn more

Related Projects

Side view of new Green Line car at Riverside (July 2018)

This project is one of many we're working on to ensure twice as many passengers have access to a safer, more comfortable, and more reliable Green Line by 2030.

Learn more about the Green Line Transformation

Why We’re Doing This Work

The Fenway Portal, the entrance to the Green Line tunnel next to Fenway Station, is subject to flooding due to its location near the Muddy River. In 1996, significant flooding caused almost $70 million in damage and shut down major portions of the Green Line. Repair work lasted for 2 months.

Green Line exiting Fenway Portal
Green Line train exiting Fenway Portal

Temporary flood prevention measures have been in place since then, but these steel doors will allow us to respond more quickly and efficiently if the Muddy River floods, and will enable a rapid return to service when flood waters recede.

Service Impacts

Crews work on the tracks near the Fenway Portal

Service shutdowns are coordinated with track and signal replacement on the D Branch and accessibility work at Newton Highlands. The shuttle schedule is subject to change due to weather and construction progress.

We will share specific dates and times in advance on our Green Line D Shuttle schedule page, and you can always check Green Line D alerts while planning your trips.

Contact Information

Please send any comments or questions to the project team at GLT@mbta.com.

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Recent Updates

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Building a Better T

As part of our $8 billion, 5-year capital investment plan, we're renovating stations, modernizing fare collection systems, upgrading services for our buses, subways, and ferries, and improving the accessibility of the entire system.

Learn more

Related Projects

Side view of new Green Line car at Riverside (July 2018)

This project is one of many we're working on to ensure twice as many passengers have access to a safer, more comfortable, and more reliable Green Line by 2030.

Learn more about the Green Line Transformation

Recent Updates

View all project updates