WB Hwy. 401 reopens in Oshawa after collision results in diesel spill, lengthy closure

Westbound Highway 401 is fully closed in Oshawa after a transport truck and two other vehicles collided, causing a diesel spill.

Westbound Highway 401 in Oshawa has reopened following a lengthy closure on Tuesday caused by a multi-vehicle collision involving a commercial truck that resulted in a diesel spill.

It happened near Harmony Road at around 9:10 a.m.

Ontario Provincial Police say three vehicles were involved and that one driver sustained minor injuries.

The truck spilled diesel across all westbound lanes, and a full cleanup was required, says the OPP.

Westbound Hwy. 401 was closed at Courtice Road for several hours for the cleanup. It reopened shortly after 1 p.m.

The cause of the collision is under investigation.