HopNews
The Massachusetts Department of Transportation (MassDOT) is announcing overnight construction operations for the I-90/I-495 Interchange ramps to facilitate routine maintenance and construction activities.
MassDOT is also announcing that the travel lanes on I-90 eastbound will be shifted starting Friday, August 1.
Traffic will change from the current alignment on the existing Whitehall Brook bridge to the south to facilitate the continued reconstruction of the Whitehall Brook bridge.
Sunday, July 27, 11:00 P.M. — 5:00 A.M. Monday, July 28
Exit 106, the ramp from I-90 eastbound to I-495 southbound and northbound, will be closed. Traffic will be directed to follow the detour signs and use I-495 northbound to exit 111 (Route 9) to reverse direction back to I-495 northbound and southbound.
Monday, July 28, 11:00 P.M. — 5:00 A.M. Tuesday, July 29
Exit 106, the ramp from I-90 eastbound to I-495 northbound, will be closed. Access to I-495 southbound via this exit will be maintained. Traffic will be directed to follow the detour signs and use I-495 southbound to exit 54A (West Main Street, Hopkinton) to reverse direction back to I-495 northbound.
Tuesday, July 29, 11:00 P.M. — 5:00 A.M. Wednesday, July 30
Exit 106, the ramp from I-90 eastbound to I-495 northbound, will be closed. Access to I-495 southbound via this exit will be maintained. Traffic will be directed to follow the detour signs and use I-495 southbound to exit 54A (West Main Street, Hopkinton) to reverse direction back to I-495 northbound.
Wednesday, July 30, 11:00 P.M. — 5:00 A.M. Thursday, July 31
Exit 106, the ramp from I-90 eastbound to I-495 southbound and northbound, will be closed. Traffic will be directed to follow the detour signs and use I-495 Northbound to exit 111 (Route 9) to reverse direction back to I-495 southbound.
Exit 58, the ramp from I-495 to I-90 westbound, will be closed. Traffic will be directed to follow the detour signs onto I-90 eastbound and use exit 111 (Route 9) to reverse direction.
Thursday, July 31, 11:00 P.M. — 5:00 A.M. Friday, August 1
Exit 106, the ramp from I-90 eastbound to I-495 northbound, will be closed. Access to I-495 southbound via this exit will be maintained. Traffic will be directed to follow the detour signs and use I-495 southbound to exit 54A (West Main Street, Hopkinton) to reverse direction back to I-495 northbound.
Appropriate signage, law enforcement details, and messaging will be in place to guide drivers through the work area. Drivers traveling through the affected areas should expect delays, reduce speed, and use caution.
All scheduled work is weather-dependent and may be impacted by an emergency.
For information on traffic conditions, travelers are encouraged to:
- Download the Mass511 mobile app or visit www.mass511.com to view live cameras, travel times, real-time traffic conditions, and project information before setting out on the road. Users can subscribe to receive text and email alerts for traffic conditions.
- Dial 511 and select a route to hear real-time conditions.
- Follow @MassDOT on X (formerly known as Twitter) to receive regular updates on road and traffic conditions.
About the Project
For years, the I-495/I-90 Interchange has experienced traffic demands exceeding its capacity. On an average day, this interchange carries hundreds of thousands of vehicles that travel on both I-90 and I-495, with approximately half of all trucking entering eastern Massachusetts.
The deficient geometry concentrates movements through the former toll plaza area, resulting in queuing onto the interstate mainlines and crash rates twice the statewide average.
Through this project, we will enhance the movement of people and goods in and around the area today and into the future. The project will replace the interchange, eliminate the old toll booth area and weaving areas, improve ramp spacing, acceleration, and deceleration lanes, and add an auxiliary lane from I-495 Northbound to Route 9.
New bridges will be constructed on I-495 over I-90, on I-495 and I-90 over the MBTA/CSX/Amtrak lines, on I-495 Northbound over Flanders Road, and on Fruit Street.
Stay Informed
If someone you know would like to subscribe to receive project updates, meeting notices, and traffic impact advisories, they can do so here.
To report a noise complaint, please call the project hotline: (508) 676-3551
Project email: 495-90Improvements@state.ma.us
Project website: www.mass.gov/massdot/495-90interchange
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