The westbound express lanes of Highway 401 are closed at Whites Road near Pickering east of Toronto after a tractor-trailer hauling fish caught fire early Thursday morning.
Ontario Provincial Police say the single-vehicle crash happened around 4 a.m..
Images from the scene show the back-end of the vehicle engulfed in flames as fire crews worked to extinguish the blaze.
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Police say the driver made it out safely and no other vehicles were involved.
The fire was put out shortly after 5 a.m. but crews remain on scene to clear the debris.
OPP say the driver of the tractor-trailer has been charged with careless driving.
Police say they hope to have the cleanup of the westbound express lanes complete by 1 p.m..