MARLBOROUGH – MassDot has announced overnight closures for the ramps to and from I-495 northbound, I-290 and Route 20. Closures will be in place through Wednesday, Sept. 27, between 11 p.m. and 5 a.m.
During this time, the following detours are in place:
- When the I-495 northbound (exit 63A) on-ramp from Route 20 eastbound is closed, traffic will be directed to follow the detour signs in place and use exit 63B.
- When the I-495 northbound (exit 63B) on-ramp from Route 20 westbound is closed, traffic will be directed to follow the detour signs in place and use exit 63A.
- When the I-495 northbound (exit 65B) ramp to I-290 westbound is closed, traffic will be direct to follow the detour signage in place and use exit 67 (Route 62).
- When the I-290 eastbound off-ramp (exit 32B) to I-495 northbound is closed, traffic will be directed to follow the detour signage in place and use exit 32A.
Multiple ramps will not be closed simultaneously.
Please expect delays during this time and use caution.