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Red Blue Connector

A digital rendering of a possible future Blue Line platform at the Charles/MGH station

The Red Blue Connector project would connect the Red and Blue lines by extending the Blue Line below Cambridge Street to Charles/MGH station on the Red Line.

Building a Better T

As part of our $9.6 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.

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What We're Working On

We are working on preliminary engineering to complete state and federal environmental reviews, and continuing coordination with stakeholders.

Notice of Project Change (NPC)

On October 2, 2023, we submitted an NPC to the Massachusetts Environmental Policy Act (MEPA) Office of the Executive Office of Energy and Environmental Affairs (EEA).

The notice includes:

  • Project change description and alternatives overview
  • Circulation list
  • Public outreach summary

After we submitted the NPC, it was available for public review and comment. The comment period ended October 31, 2023.

View the NPC

MEPA Certificate

After submitting our NPC, we received our MEPA certificate on November 13, 2023. Next, we must submit a supplemental draft environmental impact report (SDEIR).

View the MEPA certificate

Past Events

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Previous Work

Contact Us

For more information about the Red Blue Connector, please email redblue@mbta.com.

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Related Projects

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Building a Better T

As part of our $9.6 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

View all projects