Ramps at the interchange between Interstate 495 and 93 in Andover, are scheduled to close overnights from Monday, Nov. 28, through Saturday morning, Dec 3.
The Massachusetts Department of Transportation said the temporary closings take place from 8 p.m.-5 a.m., along I-495 north, exits 97A and 97B. Access to one of the ramps will be maintained at all times.
Traffic will be detoured as marked along the roadways.