Huron County OPP continue to investigate a single-vehicle collision east of Bluevale early Friday morning.
At about 7:10 a.m., emergency personnel responded to the crash on Harriston Road, just east of C Line Road.
Police say the driver of an eastbound sedan left the roadway on the south side of the road, his vehicle rolled and came to rest in the south ditch.
The lone occupant, a male driver, was transported from the scene by land ambulance to a local hospital.
Jason Simmons, 28, of Wingham has been transported by air ambulance to hospital in London with life-threatening injuries.
Members from the traffic collision investigation team will be attending the scene to assist with the collision investigation.
Harriston Road has reopened between Amberley Road and Kieffer Line.
Any person with information regarding this collision should immediately contact Huron OPP at 1-888-310-1122 or (519) 524-8314.
