The westbound lanes of Highway 401 are closed at County Road 42 (Exit 56) in Lakeshore as the Ontario Provincial Police investigate a fatal collision.
Around 10:20 a.m. Friday, police were called to a multi-vehicle accident in the westbound lanes of Hwy. 401 between Gracey Side Road and Comber Side Road. This crash resulted in only minor injuries.
While officers were investigating the collision, a secondary collision occurred involving two tractor-trailers and a pickup truck.
The driver of a tractor-trailer died on the scene. The driver of a pickup truck was taken to the hospital with life-threatening injuries.
The driver of the second tractor-trailer was uninjured.
Police are looking for witnesses to the crash. Anyone who has dashcam footage of the collision is asked to contact Lakeshore OPP at 1-888-310-1122.