State police at Fern Ridge are investigating a tractor trailer rollover in Kidder Township.

The crash occurred just after 11 a.m. as the operator of the rig was traveling east on Interstate 80 and entered the exit ramp to Route 924 and the turnpike.

The truck rolled onto its left side against an embankment. The operator was freed from the truck tractor. The condition of the driver and the contents of the trailer are unknown.