The lower deck of Route 93 south was closed near the Leverett Connector for about three hours Thursday morning because of tractor-trailer rollover.
A tractor trailer went off Interstate 95 and into the woods before sunrise Thursday morning.
A tractor-trailer tried to make it under the Longfellow Bridge at Memorial Drive in Cambridge early Tuesday morning and failed.
Part of 495 will likely remain closed through rush hour Friday as crews clean up a large wreck.
A 27-year-old man from Lynn was killed when a flying truck tire hit his car on I-93 in Somerville Monday afternoon.
A Westford man was driving in New Hampshire Thursday morning when a chunk of ice flew off a truck and smashed into his car.
Two men from Woonsocket, R.I. were killed when their car crashed into a tractor trailer in Douglas.
Part of Interstate 495 north in Amesbury was still shut down Thursday morning because of the aftermath of a tractor-trailer accident.