Somerville Ave. Westbound Traffic Detoured at Park St., 12/1 - 12/4

Beginning this upcoming Monday, December 1, City contractors plan to construct a raised crossing to improve safety at the intersection of Somerville Avenue and Central Street. 

This work will require westbound (traveling toward Porter Square) motor vehicle traffic on Somerville Avenue to be detoured at Park Street. 

Once in effect, this detour will be in place 24 hours a day until Thursday, December 4, at approximately 4 p.m.   

Somerville Avenue Detour and Other Construction Impacts 

Westbound traffic on Somerville Avenue (toward Porter Square) will be directed left on Park Street and right on Beacon Street to return to Somerville Avenue. 

• Eastbound traffic will be allowed to proceed while work is underway.
  • Please proceed carefully when traveling through work zones. 
• Sidewalks in both directions will remain open.  
• Access will be maintained for emergency vehicles. 

MBTA 83/87 outbound service (westbound toward Porter Square) service will also be detoured.  

• Outbound stops along Somerville Avenue between Beacon Street and Park Street will be temporary closed. 

  • Connect to route 83 at Beacon St. at Park St. or Somerville Ave. at Mossland St.  

  • Connect to route 87 at Somerville Ave. at Loring St. or Elm St. at Porter St. 

• Visit mbta.com/bus or see signage posted at affected stops for more information.  

Elevated noise levels from construction equipment and vehicles are anticipated. 

• Active construction hours are weekdays, 7 a.m. to approximately 4 p.m. 

For more information including full detour maps, please visit somervillema.gov/somcentralpave. 

More About This Work 

The City of Somerville is working to make the intersection of Somerville Avenue and Central Street safer for everyone traveling through it by installing a new raised crosswalk and other traffic calming (somervillema.gov/trafficcalming) features.  

The new design also includes improved bus stops to streamline service and provide a dedicated waiting area for people taking the bus. Short segments of protected bike lanes will also be installed near bus stops on both sides of the street to increase safety. 

Persons with disabilities who need auxiliary aids and services for effective communication (i.e., CART, ASL), written materials in alternative formats, or reasonable modifications in policies and procedures in order to access the programs, activities, and meetings of the City of Somerville should please contact Adrienne Pomeroy in advance at 617-625-6600 x 2059 or apomeroy@somervillema.gov.  

If you need assistance understanding this information, please contact us at languageaccess@somervillema.gov or call 311 (617-666-3311). The City of Somerville can provide you with an interpreter for free.