Three people have been taken to the hospital in Barrie following a serious two vehicle collision in Innisfil.
Police say a pick up truck and van were travelling north on the 10th Sideroad, north of Innisfil Beach Road, Friday morning when the van tried to pass the truck.
The vehicles collided, sending both off the road in opposite directions. Both vehicles rolled a number of times.
The driver of the pick up was thrown from the vehicle and was seriously hurt.
The driver of the van and a passenger in the pick up have non-life threatening injuries.
The investigation continues.