Three lanes of Interstate 495 North in Lowell have been closed after a tractor-trailer rollover this afternoon, State Police said.
The truck, which was hauling cardboard boxes, crashed between Exits 37 and 38 at 1 p.m., Trooper Thomas Murphy said.
The operator was not seriously injured, Murphy said.
Only the right lane is open for travel. Traffic has been impacted, Murphy said.
No further information was immediately available.