Melville RCMP responded to a call of a single vehicle collision on Highway 10 near Duff this morning (Thurs).
RCMP say there was one occupant in the vehicle, a 33-year-old man from Melville, who was critically injured and taken to the hospital, where he succumbed to his injuries.
The family has been notified and Highway 10 has since reopened.
An RCMP Collision Reconstruction Analyst from Moose Jaw is investigating the fatal crash.