A fatal accident on Route 31 in Pennington during the morning commute closed the road for several hours.

Tractor trailer involved in fatal accident on Route 31 in Pennington (Beth Goeke Kerr)

The Times of Trenton reports the driver of a southbound tractor trailer was killed when beams of structural steel shifted on a flat bed truck and rolled into the cab of the tractor trailer as it came to a stop at a signal in front of the Pennington Square Shopping Center.

The driver has not been identified. There were no other injuries related to the incident.

Route 31 was closed until around 12:30 p.m. as police completed their investigation according to New Jersey Fast Traffic.

Calls to Pennington Police were not returned.