Traffic alert: Rolled tractor trailer closes westbound express lanes of Hwy. 401

WATCH: Aerial footage shows the aftermath of a truck rollover on Highway 401 and Highway 404.

TORONTO – The westbound express lanes of Highway 401 are closed near Highway 404 after a tractor trailer rolled over.

The truck rolled during the onset of the evening rush hour Monday blocking the westbound lanes of the highway.

At least one person suffered minor injuries as a result of the rollover.

Traffic in the area could be slow for several hours as crews work to upright the truck.