BOSTON (CBS) – If you’re traveling on Interstate 93 north Tuesday night, you may be delayed.

The section of I-93 north in the O’Neill and Ted Williams tunnels, will close at 11 p.m. Tuesday night and reopen at 5 a.m. Wednesday.

MassDOT performs twice monthly closures in the area to clean surfaces and conduct general maintenance and inspect electrical and communications systems.

Traffic will be detoured at Exit 18.