Westbound traffic on Highway 1 was backed up significantly Saturday morning after a semi rolled near Hermitage Road, west of Calgary.
The crash happened about 4 a.m. and the driver was taken to hospital by ambulance.
No other vehicles were involved.
Westbound traffic on Highway 1 was being detoured via Highway 1A, through Cochrane and motorists had to take the Morley road to return to Highway 1.
The cause of the crash is under investigation.
