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Accelerated Bridge Program Massachusetts Department of transporatation

MBTA Red Line Weekend Diversions


September 30 - December 17

MassDOT will implement MBTA Red Line Diversions that replace trains with shuttle buses between Park Street and Kendall/MIT Stations, with a stop at Charles/MGH Station, on weekends beginning on Saturday, September 30, through Sunday, December 17. The bridge will reopen to inbound vehicles and Red Line trains for Columbus Day beginning at 4:30 AM on Monday, October 9. Red Line trains are currently scheduled to be in use for the Head of the Charles weekend (October 21-22) and Thanksgiving weekend (November 25-26).

These diversions will allow the contractor, White-Skanska-Consigli JV (WSC), to perform work required to replace the bridge structure supporting the Red Line tracks over Longfellow Bridge Spans 2 and 3 near the Charles/MGH Station. Red Line trains will resume service on Monday mornings. The replacement of the track may also require some speed restrictions in this area of the Red Line for the days immediately following each weekend.

Please visit the MBTA's service updates webpage and see the September 2017 Red Line Diversions and Bridge Closures Advisory for additional information.

The project includes replacing the MBTA Red Line tracks, and other work in close proximity to them. The work will take place on 25 weekends over the project duration, and requires replacing Red Line trains with buses. During the MBTA weekend diversions, the Longfellow Bridge will be closed to all motor vehicle travel, except shuttle buses. The bus route will carry passengers between Kendall/MIT Station and Park Street Station, with a stop at Charles/MGH Station. All shuttle bus stops are accessible for people with disabilities. All other motor vehicles, including passenger vehicles, trucks, and all other buses, will need to use one of two detour routes to reach Boston.

Emergency response, bicycle, and pedestrian access will be maintained across the bridge during these weekend diversions. Bicyclists, both inbound and outbound, and pedestrians will share the upstream sidewalk.

The Cambridge-bound detour remains in place during diversion weekends. Details on the route can be found on the Traffic Information page.

To report issues or concerns or for questions related to construction, please use the dedicated project hotline, 617-519-9892, or the project email address, longfellowbridge@state.ma.us

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