He was heading west on the highway when he hit a mud flap and lost control of his vehicle.
A driver in his 20s died Sunday afternoon after an accident on Highway 40 in Vaudreuil-Dorion.
He was heading west on the highway when he hit a mud flap at kilometre 33 and lost control of his vehicle, which ended up on the median.
The young man was taken to hospital in critical condition and died later in the afternoon, said a Sûreté du Québec spokesperson.
An investigation has been opened to understand the circumstances surrounding the accident.
The highway, which was closed, was reopened at about 5 p.m. Sunday.