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Beginning March 22, 2019, three major bridges in Somerville, MA will be closed to facilitate construction of the MBTA Green Line Extension (GLX) project. Traffic detours will affect local traffic and regional commutes through Medford, Somerville, Cambridge, and Boston. Motorists, pedestrians, and bicyclists should plan accordingly and may want to seek alternate routs.
Bridge Closure Schedules:
Broadway Bridge at Ball Square on Somerville/Medford border
- Closed March 22, 2019 to March 2020
Washington Street Bridge (Underpass) in East Somerville
- Closed April 2019 to Fall 2019 and Spring 2020 to Fall 2020
Medford Street Bridge at Gilman Square in Somerville
- Closed July 2019 to Spring 2020
For further details on bridge closures, including directions and helpful area maps, please visit www.mass.gov/green-line-extension-project-glx