A 20-year-old man involved in a collision east of Exeter on Tuesday morning was air-lifted from the scene with life-threatening injuries.
Huron OPP say the crash happened around 6:45 on Thames Rd. between Elimville Line and McTaggert Line.
A westbound Pontiac G5 collided with an eastbound tractor trailer. The car's driver was taken to hospital by air ambulance. The driver of the tractor-trailer wasn't hurt.