A woman has died as a result of a crash in Bowmanville, Ontario provincial police tell 680News.

Police say a Chevrolet Cavalier driven by the woman hit a tractor-trailer just after 4:30 a.m. on Tuesday, causing the car to hit a guardrail and roll.

The woman, the Cavalier’s driver, was ejected from the vehicle and pronounced dead at the scene.

She was the sole occupant of the vehicle.

Her name has not yet been released pending notification of next of kin. Her age is also not yet known.

The driver of the tractor-trailer was not injured.

The westbound 401 were closed from Liberty Street to Waverley Road, but have since reopened.