A motorist in his twenties was in a critical condition Sunday evening after an exit from the road to Napierville, in Montérégie.
The accident happened around 21: 30, on the street, Rogel-Lamoureux, near the intersection with the rising Douglas, said the Sûreté du Québec (SQ).
The driver of the car has made tons and there are fears for his life, has added.
The police is still trying to clarify the circumstances of this accident and do not advance any possible cause.
The investigator-shock was in the direction of the place where took place the release of road, late Sunday evening.
The SQ has made it known that no other automobile was involved in this accident.