One person was critically injured Tuesday morning when a tractor trailer ran over a car on Highway 440 in Laval.
Police say at around 10 a.m., the big rig jackknifed on top of a small car, dragging the car several hundred metres to a stop on the median near Cure-Labelle Blvd.
The driver, who had to be rescued from underneath the truck, was rushed to hospital, and remains in critical condition.
The truck driver was also taken to hospital, suffering from shock.
Police, meanwhile, closed all westbound lanes in the area, causing lengthy delays for motorists.