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Green Line Program

four photos: two construction workers tamping down tracks, a person in a hard hat directing a person in a wheelchair, a new green line train, and a green line trolley car full of riders heading to Park Street

The Green Line Program is upgrading service on the T’s most popular light rail line.

This program will improve reliability and quality of service for riders and communities served by this line. Achieving this requires major upgrades to tracks, signals, stations, facilities and vehicles.

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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All Green Line Projects

ProjectLocationStatus
ProjectB Branch Station Accessibility ImprovementsLocation green line B Status In progress
ProjectC Branch Station Accessibility ImprovementsLocation green line C Status In progress
ProjectGreen Line Train Protection System (GLTPS)Location green line SystemwideStatus In progress
ProjectHynes Station
Accessibility Improvements
Location green line B green line C green line D Status In progress
ProjectSolar-Powered E Ink SignsLocation green line B green line C green line E Status In progress
ProjectD Branch Station Accessibility ImprovementsLocation green line D Status In progress
ProjectNewton Highlands Station
Accessibility Improvements
Location green line D Status In progress
ProjectSymphony Station
Accessibility Improvements
Location green line E Status In progress
ProjectB Branch Track Upgrades (2023)Location green line B Status Complete
ProjectGreen Line Track Upgrades (2022)Location green line B green line C green line D green line E Status Complete
ProjectLechmere Viaduct RehabilitationLocation green line E Status Complete
ProjectBrookline Hills Station
Accessibility Improvements
Location green line D Status Complete
ProjectD Branch Track and
Signal Replacement
Location green line D Status Complete
ProjectB Branch Station ConsolidationLocation green line B Status Complete
ProjectNew Green Line VehiclesLocation green line SystemwideStatus Complete
ProjectTrack and Intersection Upgrades (2021)Location green line B green line E Status Complete
ProjectTrack and Intersection Upgrades (2020)Location green line B green line C green line E Status Complete
ProjectTrack and Intersection Upgrades (2019)Location green line B green line C mattapan line Status Complete
ProjectFenway Portal Flood ProtectionLocation green line D Status Complete

Take Our Survey

We'd like to hear what you think would make the Green Line more comfortable, accessible, enjoyable, and easy to use.

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Levels of Transformation

The Green Line Program portfolio of projects is aligned by multiple Levels of Transformation, including:

Past Events

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Contact Information

For all queries and comments related to the Green Line Program, please contact GLT@mbta.com.

To report construction issues or noise complaints, please call the project hotline: 617-222-4100.

View all projects

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

View all projects