NJ State Troopers are investigating an overturned Fedex Freight Tractor Trailer. (Photo: NJ State Police).

EDISON, NJ (TruckingNewsNow.com) — New Jersey State Troopers are investigating what caused a Fedex Freight driver to overturn his tractor trailer on SH 440 in Edison, Middlesex County.

The driver was not injured. The highway was shut for several hours for cleanup.

Accident report pending.

(TruckingNewsNow.com).