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Traffic Information


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Longfellow Bridge

Traffic Management through February 24

Daytime Lane Closures

  • Memorial Drive east and westbound, alternating single lane – on Tuesday, February 20, through Thursday, February 22, from 9:00 AM to 3:00 PM each day, and on Friday, February 23, from 9:00 AM to 12:00 PM
  • Storrow Drive eastbound, alternating single lane – on Tuesday, February 20, through Thursday, February 22, from 10:00 AM to 3:00 PM each day, and on Friday, February 23, from 10:00 AM to 12:00 PM
  • Storrow Drive westbound, alternating single lane – on Tuesday, February 20, through Thursday, February 22, from 11:00 AM to 3:00 PM each day, and on Friday, February 23, from 11:00 AM to 12:00 PM

Nighttime Lane Closures

  • Storrow Drive eastbound, on Wednesday, February 21, through Friday, February 23, alternating single from 9:00 PM to 11:00 PM each night, and double lane closures from 11:00 PM each night to 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

  • There are currently no bridge closures scheduled.

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.

Main Street Realignment and New Median

As part of the scope of work described below, MassDOT will close a portion of Main Street, leaving Kendall Square eastbound toward the Longfellow Bridge, on Saturday February 24, from 9:00 AM to 3:00 PM. The closure is to install conduit for the new HAWK pedestrian signal. See the Main Street detour map for more information.

MassDOT's contractor, White-Skanska-Consigli (WSC), has closed the left lane of Main Street westbound in Kendall Square to construct the final alignment of the roadway and a new median between the MBTA Red Line portal and Third Street. The left lane will remain closed until the work is completed this summer. All westbound vehicles will share one lane in this area of Main Street during the work. Traffic signals and lane markings have been adjusted to accommodate through traffic and right turns. There are no changes to bicycle accommodations.

Additionally, WSC is implementing daily lane shifts on Mondays through Fridays on Main Street east and westbound. The lane shifts are necessary to install conduit under the roadway for a new HAWK pedestrian signal crossing from the vicinity of the American Red Cross building to the One Memorial Drive building.

The final alignment of Main Street eastbound will remain unchanged with two vehicle lanes and a dedicated bicycle lane. The westbound alignment will widen from one vehicle lane on the Longfellow Bridge to two lanes on Main Street. Bicycles will have a dedicated lane next to the curb and a buffer and parking will be added between the bicycle lane and vehicle travel lanes. View the Main Street Realignment figure for more information.

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

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 Third 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 Third 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 currently no bridge closures scheduled.
 
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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