The Massachusetts Department of Transportation says there will be daytime lane closings on Interstate 495 north and south, between Ward Hill and River Street, for guardrail installation.
A single left lane closes on I-495 north, between exits 106 and 107, from Monday, March 7, until Thursday, March 10, from 6 a.m.-2 p.m. each day.
On the southbound side, a single left lane closes between exits 107 and 106, from Tuesday, March 8, through Friday, March 11, from 9 a.m. to 3 p.m. each day.
The state said drivers should expect delays, reduce speed and use caution.
Work is weather dependent and subject to change without notice.