COBOURG, Ont. – All lanes of the Hwy. 401 westbound have re-opened in Cobourg after a tractor-trailer collision Monday morning.

Eastbound lanes at Grafton are also open to traffic.

A trailer came loose and rolled over the centre median at 10:30 a.m. Monday, colliding with a vehicle in the eastbound lanes, according to provincial police.

The driver of the tractor-trailer and the driver of the vehicle were taken to hospital with non-life threatening injuries.