About the Mobility Division

OSPCD’s Mobility Division plans, designs, implements, and continually evaluates the effectiveness of projects and programs that advance Somerville’s goal of becoming the most walkable, bikeable, and transit-accessible city in the United States. Mobility Division staff provides guidance to make transportation within Somerville as safe, convenient, and pleasant as possible.The division works closely with other divisions and departments, such as IAM: Engineering, the Office of Sustainability and Environment, OSPCD Planning & Zoning, and the Parking Department to ensure that the City’s mobility and mode shift goals are considered alongside street reconstruction projects and private development projects undertaken within the City. 

  • Projects

  • Programs

  • Development Review

  • State Highways in Somerville

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1) Determine What is Required for Your Project 

Review pages 12-13 of the Development Review Application Submittal Requirements to determine whether a Transportation Access Plan (TAP), Transportation Impact Study (TIS), and/or Mobility Management Plan (MMP) is required for your project.  

Please note: Mobility Management Plans must be approved by the Mobility Division before your development review application can be considered complete. Please allow at least 60 days for the review of your MMP.  

2) Review Mobility Division Guidelines 

3) Submit Documentation to the Mobility Division 

All official project submissions are accepted at http://bit.ly/CoSMobilityReview for any of the following documents: 

  • Scoping Letter 
  • Transportation Impact Study (TIS) 
  • TIS Update/Additional Information 
  • TIS Exemption Request 
  • Mobility Management Plan (MMP) 
  • Signed MMP Approval Letter

Somerville’s neighborhoods are divided by several state and federal highway facilities, including Interstate 93, State Route 28 (McGrath Highway / Fellsway), State Route 38 (Mystic Avenue), and State Route 16 (Mystic Valley Parkway / Alewife Brook Parkway).  Although these roadways are intended to serve regional functions, their local impacts are often negative for an urban community like Somerville.  Motor vehicle speeds are typically high enough to produce severe consequences when crashes occur.  Multiple vehicular lanes in the same direction create long crossing distances for people walking.  Highway ramps, retaining walls, and tunnels create physical barriers between our neighborhoods.  The City of Somerville works collaboratively with state agency partners including the Massachusetts Department of Transportation and the Massachusetts Department of Conservation & Recreation to improve safety and accessibility for all users of these roads, placing special emphasis on planning for people walking, people on bikes, and people riding MBTA buses.

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