Project Overview

The Mount Auburn Street Project will transform the corridor into a "Complete Street."

A Complete Street provides safe and accessible options for all travel modes - walking, biking, driving, and transit - for people of all ages and abilities.


The Town of Watertown is still refining the design of the roadway based on public and stakeholder feedback. Read more about the latest design recommendations. Potential project elements include:

  • One vehicular travel lane in each direction
  • Enhanced/improved bicycle accommodations
  • Left turn lanes at selected intersections
  • Bus turnouts
  • Replacement of MBTA overhead transit catenary wires
  • Curb extensions at selected locations to shorten crossing distances for pedestrians
  • Wider sidewalks
  • Improved pedestrian signal equipment, including warning signage and flashing beacons
  • Additional green spaces along the road
  • Green infrastructure
  • New bicycle signage with information about the regional bicycle network


  • Safer travel for all modes
  • Increased efficiency on the MBTA Bus Route 71 (trackless trolley)
  • More efficient traffic operations
  • Improved pedestrian and bicycle accommodations
  • Accessibility and compliance with the Americans with Disabilities Act (ADA)
  • Reduced stormwater runoff
  • Improved aesthetics