MassDOT’s contractor, White-Skanska-Consigli JV (WSC), will close the Longfellow Bridge to all vehicular traffic except MBTA buses and implement an MBTA Red Line diversion from 3:00 AM on Saturday, March 12, to 6:00 AM on Sunday, March 13.
The closure is necessary to implement an MBTA Red Line diversion that temporarily replaces trains with buses. This will allow WSC to make necessary upgrades to the MBTA’s signal and power systems.
Bus service will be in place from the start to the end of service on Saturday, March 12. Buses will replace Red Line trains in both directions for service between Kendall/MIT Station and Park Street Station, with a stop at Charles/MGH Station. The bus route and stops are shown on this map. All shuttle bus stops are accessible for people with disabilities. Red Line trains will resume service on Sunday morning. Please visit the MBTA’s service updates webpage for additional information.
MBTA buses will be the only motor vehicles permitted on the bridge. Emergency response, bicycle, and pedestrian access will be maintained across the bridge during the diversion. All other motor vehicles, including passenger vehicles, trucks, and all other buses, will need to use one of two Boston-bound routes to reach Charles River Dam Road (Monsignor O’Brien Highway/Route 28) and Leverett Circle.
Inbound Detour Routes: Height restrictions are in place for Memorial Drive, so all buses and trucks must use the 3rd Street to Binney Street detour described below.
- From Main Street, turn right onto Memorial Drive westbound, and make a U-turn at Ames Street to access Memorial Drive eastbound. Follow Memorial Drive eastbound to Land Boulevard and turn right onto Charles River Dam Road (Monsignor O’Brien Highway/Route 28) to reach Leverett Circle.
- From Broadway, turn left onto 3rd Street, turn right on Binney Street, turn left onto Land Boulevard, and then turn right onto Charles River Dam Road (Monsignor O’Brien Highway/Route 28) to reach Leverett Circle.
The Cambridge-bound detour remains in place using a signed route from Charles Circle following Charles Street to Leverett Circle, Monsignor O’Brien Highway/Charles River Dam Road, and Edwin H. Land Boulevard.
For more information on the project, visit the project website. View construction progress photos on MassDOT’s Longfellow Bridge Flickr Album. For questions or to report issues related to construction, please call the project hotline, 617-519-9892 or email firstname.lastname@example.org.
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