A jackknifed tractor-trailer caused heavy delays on the New Jersey Turnpike on Tuesday afternoon.

The incident was on the northbound side of the highway south of Interchange 13.

A tow crane was on the scene helping to remove the truck from the highway, video shows.

The right lanes and the shoulder were blocked for a time, according to the New Jersey Department of Transportation.

It was unclear how the truck became disabled or if anyone was hurt.