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Traffic Information


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Longfellow Bridge

Traffic Management through December 18

Daytime Lane Closures

  • Storrow Drive eastbound, alternating single lane - from 10:00 AM to 3:00 PM on Monday, December 18, through Thursday, December 21
  • Storrow Drive westbound, alternating single lane - from 11:00 AM to 3:00 PM on Monday, December 18, through Thursday, December 21
  • Memorial Drive east and westbound, alternating single lane – from 9:00 AM to 3:00 PM on Monday, December 18, through Thursday, December 21

Nighttime Lane Closures

  • Storrow Drive east and westbound – Monday, December 18 – single lane from 9:00 PM to 11:00 PM, double lanes from 11:00 PM until 5:00 AM the following morning

For closures not related to the Fanny Appleton Bridge steel erection, the lanes closed and time of closure will vary depending on the activity taking place. The closures are necessary to allow for deliveries and to protect public safety when construction activities are taking place on the bridge above the roadway.

Longfellow Bridge Closures

MassDOT will close the Longfellow Bridge to all vehicular traffic as follows:

  • MassDOT will implement the final weekend closure of the Longfellow Bridge in 2017 beginning at 9:00 PM on Friday, December 15, and ending at 5:00 AM on Monday, December 18. Shuttle buses will replace Red Line trains between Park Street and Kendall/MIT Stations. This is the last in the 10-weekend series that began on September 29. Visit the Red Line Weekend Diversions page for more information. All vehicular traffic, except shuttle buses and emergency responders, is prohibited. The closures are necessary to implement MBTA Red Line diversions that temporarily replace trains with buses. This will allow 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. Bicyclists, both inbound and outbound, and pedestrians will share the upstream sidewalk during this timeframe. Boston-bound vehicles should use the inbound detour routes described below.

The schedule for this major infrastructure project is subject to change without notice. No closures will be implemented within one hour before and after all events at TD Garden or Fenway Park to minimize traffic impacts in the area. All lane restrictions and closures and construction activities are weather dependent. As is typical with most large construction projects, work may sometimes take place without prior notice; however, MassDOT will make every effort to provide advance notice. Emergency response, bicycle and pedestrian access, and MBTA Red Line service will be maintained across the bridge during construction.

Memorial Drive Eastbound Sidewalk Closure

MassDOT's contractor, White-Skanska-Consigli JV (WSC), has closed the Memorial Drive/Land Boulevard eastbound sidewalk, also known as the Dr. Paul Dudley White Bike Path, in the vicinity of the Longfellow Bridge until further notice. The closure is necessary to demolish and reconstruct the sidewalk and barrier in the vicinity of the Longfellow Bridge. Due to the extensive nature of the work, the sidewalk will be closed 24 hours per day/7 days a week. Bicyclists and pedestrians will be detoured to the Memorial Drive/Land Boulevard westbound sidewalk. The detour route and map are described and linked below. Signage will be in place to indicate the approved detour route. Please use approved crosswalks only to cross active roadways. 

Detour for Eastbound Bicyclists and Pedestrians (view map):

  • From east of the Crimson Sailing Academy, take a left to cross Memorial Drive eastbound, follow the path to the right and cross Land Boulevard westbound, turn right and follow the path to cross the Land Boulevard off-ramp, turn right to follow the path under the Longfellow Bridge, and use the crosswalks at the intersection with Cambridge Parkway to rejoin Land Boulevard eastbound.

Detour Routes

Storrow Drive Westbound Closure (see detour map)

To continue on Storrow Drive Westbound: From Storrow Drive Westbound, take the exit on the left toward Government Center/Kendall Square. Follow the signs to Government Center traveling under the MBTA Red Line and then left. Bear right immediately after going under the MBTA Red Line again and follow the detour signs to continue on Cambridge Street for about 1/2 mile. Continue onto Tremont Street for about 1/2 mile. Turn right onto Boylston Street and take a right onto Charles Street. Stay in the left lane on Charles Street and turn left on Beacon Street. Turn right onto Berkeley Street and use the left lane to take the on-ramp to Storrow Drive Westbound.

Storrow Drive Eastbound Closure (see detour map)

To continue on Storrow Drive Eastbound: Take the exit on the right toward Government Center/Kendall Square/Cambridge (Mugar Way off-ramp). Turn left at the light onto Charles Street and stay to the right under the MBTA Red Line. Use the right lanes to continue onto Charles Street toward Storrow Drive Eastbound. Merge onto Storrow Drive Eastbound.

Mugar Way Off-Ramp Closure (see detour map)

For Government Center/Charles Street from Storrow Drive Eastbound: Continue on Storrow Drive Eastbound and keep right to follow the signs for I-93 South. Use the right lane toward North Station and take an immediate right on Martha Road, which becomes Lomasney Way. Keep right and turn right onto Staniford Street. Turn left onto Cambridge Street for Government Center. Turn right onto Cambridge Street and go left under the MBTA Red Line to cross over to Charles Street.

Boston Bound Traffic

When the Longfellow Bridge is closed to vehicular traffic, Boston-bound vehicles should use one of two inbound detour routes to reach Charles River Dam Road (Monsignor O'Brien Highway/Route 28) and Leverett Circle. 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.

Cambridge Bound Traffic

For the duration of the project, all Cambridge-bound traffic is being detoured 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.

To learn more, please review the Cambridge detour route map. An alternate detour route uses Storrow Drive westbound to the Massachusetts Avenue Bridge. Please note: Storrow Drive and Memorial Drive have truck restrictions.

 
Anderson Memorial Bridge

The Massachusetts Department of Transportation (MassDOT) will be making a traffic shift change required for Phase 3 of the Anderson Memorial Bridge Rehabilitation Project starting on the morning of Friday, May 8, 2015.

During phase 3 of the project, MassDOT's contractor will be demolishing and rebuilding the west side of the Anderson Memorial Bridge, which carries traffic over Charles River between Boston and Cambridge. To accommodate this work, traffic will be directed onto the newly constructed east half of the bridge. The traffic shift will be done in phases. During the traffic shift, one lane of travel in each direction will remain open along with a pedestrian sidewalk.

Once the traffic shift has been completed, the westerly sidewalk will be closed and traffic will be reduced to one lane in each direction on the east side of the bridge. Pedestrians will need to use the easterly sidewalk and bicyclists will need to share the current eastbound and westbound lanes. The left hand turn restriction will remain in place at Memorial Drive and JFK Street.

 
Western Avenue Bridge/River Street Bridge

Project currently under design.

 
Boston University Bridge

There are no traffic restrictions at this time.

 
Craigie Dam Bridge/Craigie Drawbridge

There are no traffic restrictions at this time.

 
Magazine Beach Pedestrian Bridge

The Magazine Beach Pedestrian Bridge work was completed as of Friday, July 28, 2012 and the bridge is open for pedestrian use at all times.

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