The Massachusetts Department of Transportation said it’s ready to begin another round of overnight construction at the I-90/I-495 interchange in Westborough and Hopkinton.
Work will take place during the late evening starting on Sunday, July 27, and running until Friday, Aug. 1, according to a community announcement. Ramp closures start at 11 p.m. on each of those nights, with reopenings not occurring until 5 a.m. the following day.
During this period, several detours will be implemented to guide drivers around the construction, according to the announcement:
July 27: When the Interstate 90 (Exit 106) eastbound ramp to Interstate 495 is closed, traffic will be directed to follow the detour signs and use I-90 eastbound to Exit 111 (Route 9) to Route 9 westbound to access I-495.
July 28: When the I-90 (Exit 106) eastbound ramp to I-495 northbound is closed, traffic will be directed to follow the detour signs and use I-495 southbound to Exit 54A (West Main Street, Hopkinton), then reverse direction back to I-495 north.
July 29: When the I-90 (Exit 106) eastbound ramp to I-495 northbound is closed, traffic will be directed to follow the detour signs and use I-495 southbound to exit 54A (West Main Street, Hopkinton), then reverse direction back to I-495 northbound. When the I-495 (Exit 58) ramp to I-90 westbound is closed, traffic will be directed to follow the detour signs onto I-90 eastbound and use Exit 111 (Route 9) to reverse direction.
July 30: When the I-90 (Exit 106) eastbound ramp to I-495 northbound is closed, traffic will be directed to follow the detour signs and use I-495 southbound to exit 54A (West Main Street, Hopkinton), then reverse direction back to I-495 northbound. When the I-495 (Exit 58) ramp to I-90 westbound is closed, traffic will be directed to follow the detour signs onto I-90 eastbound and use Exit 111 (Route 9) in order to reverse direction.
July 31: When the I-90 (Exit 106) eastbound ramp to I-495 is closed, traffic will be directed to follow the detour signs and use I-90 eastbound to Exit 111 (Route 9) to Route 9 westbound to access I-495.
$466M project: Proposed reconstruction of Mass Pike, I-495 interchange takes step forward
Appropriate signage and law enforcement will be present to assist drivers, according to the announcement. Motorists should expect delays and are advised to reduce speed and exercise caution. All work is weather-dependent and may be altered due to emergencies.
For updates on traffic conditions, travelers can download the Mass511 mobile app or visit www.mass511.com, according to the announcement. They can also dial 511 for real-time conditions or follow @MassDOT on X for regular updates.
This story was created by reporter Beth McDermott, bmcdermott1@gannett.com, with the assistance of Artificial Intelligence (AI). Journalists were involved in every step of the information gathering, review, editing and publishing process. Learn more at cm.usatoday.com/ethical-conduct.
This article originally appeared on MetroWest Daily News: Overnight work means detours at Mass Pike/Interstate-495 interchange