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Green Line Extension (GLX): All Updates

View of empty station at Magoun Square

Green Line Extension (GLX) Medford Branch Opened December 12

December 12, 2022

Passengers on the Green Line platform at Government Center, as a train boards

Green Line Extension’s (GLX) Medford Branch Close to Opening as Construction Continues

October 7, 2022

A green line test train passes under the pedestrian bridge at Tufts University

Train Testing Begins on New Green Line Medford Branch

July 5, 2022

Two test trollies arrive and depart the new Union Square station. The station was under construction at the time the trollies were tested, so traffic cones and a temporary chain link fence sit on the platform between the two trains.

Green Line Extension (GLX) Union Square Branch Opens March 21

March 18, 2022

The Green Line Extension test trolley leaves a vehicle maintenance facility bay marked "1 South." The trolley rails curve around from rear right to lower left, and shadows of observers standing nearby appear across the tracks. The sky is bright blue ovrehead.

Test Trains Now Running on the Green Line Extension

December 23, 2021

A photo of green line trolley cars at a GLX testing facility. The train on the left is new, and the one on the right is old. They are both elevated on rails inside of a brightly lit warehouse

First Green Line Trolleys Arrive at GLX Facility

September 21, 2021

Demolition heavy machinery on the Broadway Bridge, with a BRIDGE CLOSED sign in the foreground.

Somerville Bridge Closures

May 17, 2019

An excavator gives a final push during demolition of the Homans Building in Somerville.

Homans Building Demolition

April 19, 2019

State officials pose with shovels at the Green Line Extension's groundbreaking ceremeony, with construction workings lined up as well

GLX Groundbreaking

June 27, 2018

A crew works in a construction pit with machinery

GLX Construction Activities (Through July 2018)

March 19, 2018
Green Line Extension (GLX)

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