Massachusetts Bay Transportation Authority (MBTA) Massachusetts Department of Transportation
Green Line Extension Green Line Extension
GLX Construction


Notices and Updates

Weekly Construction Schedule

July 2015 Harvard Street Bridge Road Closure

April 2015 School Street Bridge Sidewalk & Street Closure

February 2015 Medford Street Bridge Sidewalk & Street Closure

Emergency Contact Info


For emergencies relating to Green Line Extension construction work please use our
Emergency Construction Hotline - 1-855-GLX-INFO (459-4636) - 24/7 Coverage

For all other Green Line Extension inquiries please contact the project at



Construction Notice To Proceed: January 31, 2013

Progress Photos


Phase 1 Progress Photos on Flickr

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