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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.

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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

What you need to know

About the project  Project background  Status, construction and traffic management  Project schedule and public information  Documents and meeting materials 

Upcoming Events

No upcoming events scheduled
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Contact Information

Address

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

Online

495-90Improvements@state.ma.us
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Image credits:  MassDOT

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