Traffic was at a crawl heading northbound on Interstate 287 in Bernards Township Saturday morning after a tractor-trailer overturned on the road.
Police say the crash happened just before 3 a.m.. Two northbound left lanes remained closed due to the crash hours later.
The truck is believed to have been carrying produce when it flipped over. The tractor-trailer took out a section of guard rail in the crash.
Authorities say no one was injured. There is no word yet on what caused the crash.