There will be both northbound and southbound Interstate 495 lane closings this week in Haverhill for guardrail installations and construction access to the median.
Massachusetts Department of Transportation said a left lane closes on I-495 northbound, between exits 106 and 107, Ward Hill and River Street, Monday, March 21, through Thursday, March 24, from 6 a.m.-2 p.m. each day.
There will also be a left lane closing on I-495 southbound, between exits 107 and 106, Tuesday, March 22, and Wednesday, March 23, from 9 a.m.-3 p.m., each day.
Officials said drivers traveling through the affected areas should expect delays, reduce speed and use caution. Work is weather dependent and subject to change without notice.