I-495/I-90 Interchange improvements

Improving safety and addressing traffic conditions at the interchange of I-495 and I-90

How can you stay informed?

Learn more about what is happening with the construction, and sign up for project updates, email alerts, and the latest information on the I-495/I-90 interchange improvements project.

MassDOT's project goals include to:

  • Reduce crashes in the project area for all movements
  • Reduce recurring congestion within the interchange
  • Reduce queuing that currently extends from the interchange onto the main lines of I-90 and I-495
  • Reduce travel time through the interchange, especially for high-volume movements

MassDOT has awarded a Design Build contract and preliminary work is beginning to prepare for construction

Upcoming Events

No upcoming events scheduled

Contact Information


10 Park Plaza, Room 4260 - Project No. 607977, Boston, MA 02116


To report a noise complaint, please call the project hotline: (508) 676-3551 Sign up for project updates 
Image credits:  MassDOT

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