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


Notices and Updates

Weekly Construction Schedule

October-November 2015 Winchester Place/Winchester Street/Harvard Street Closures

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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