NORTH BRUNSWICK - An overturned FedEx truck backed up traffic on Route 1 North in Middlesex County during the Friday evening commute.

The accident happened just before 4 p.m. near the border of North Brunswick and New Brunswick.

Parts of Route 1 were closed for several hours, leading to heavy traffic delays. 

The road has since been reopened.

Officials did not immediately say if anyone was hurt in the crash.