Comm Ave Construction Boston

With all the construction going on, we wanted to make sure you knew how to get to us.


For Pedestrians and Bicyclists:

  • Pedestrians and bicyclists will have full access across the Commonwealth Avenue Bridge on the westbound side throughout construction.
  • Bicyclists heading north and south between Mountfort/Essex Street and the BU Bridge will follow a minor detour route. See the new "Bicycle Routes and Detours Map" on the Traffic Management page.
  • There will be additional Hubway stations on Commonwealth Avenue during the shutdown (see below).
  • See the Walk and Bike Times Map.

For Drivers:

Commonwealth Avenue Users:

  • Commonwealth Avenue (between Packard's Corner and Kenmore Square) will be closed to vehicular through traffic (local access only) from 7:00 PM on July 27 to 5:00 AM on August 14Access will be maintained for businesses and abutting properties. 
  • See the "Commonwealth Avenue Closure Detour" on the Traffic Management page

Boston University (BU) Bridge Users:

  • The BU Bridge will be closed to vehicular traffic from 7:00 PM on July 27 to 5:00 AM on August 14.
  • See the "Boston University (BU) Bridge Closure Detour" on the Traffic Management page.

I-90 (Mass Pike) Users:

  • From 9:00 PM on July 28 to 5:00 AM on August 7:
    • I-90 between the Allston Interchange and the Beacon Street Overpass in Boston will be reduced to two lanes in both directions during peak hours (additional lane closures during off-peak hours, see below).
    • The I-90 Eastbound on-ramp from Cambridge Street/Soldiers Field Road will be closed.
    • The I-90 Westbound Exit 20 off-ramp to Brighton/Cambridge will be closed intermittently.
  • I-90 Off-Peak Lane Reductions:
    • Weekdays, July 28 - August 1 (during I-90 eastbound shift):
      • 7:00 PM to 5:00 AM: one eastbound lane open and two westbound lanes open
    • Weekdays, August 2 - August 7 (during I-90 westbound shift):
      • 8:00 PM to 6:00 AM: one westbound lane open and two eastbound lanes open
    • Weekends (9:00 PM on Friday to 5:00 AM on Monday):
      • one eastbound and two westbound lanes open, or one westbound and two eastbound lanes open
  • See the "I-90 (Mass Pike) Ramp Closures Detour" on the Traffic Management page.
Please see the project website: www.mass.gov/massdot/commavebridge 
for more information and to review project documents and presentations.


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