Two people remain in a critical condition after of a series of crashes on the Bruce Highway at Coles Creek south of Gympie last night.
Forensic crash unit officers are investigating the crashes.
Preliminary investigations indicate around 6.45pm a Suzuki was traveling north on the Bruce Highway when the driver has hit a guard rail and the vehicle has spun before coming to a stop.
A Subaru has stopped to assist and when the driver got out of her car, she and the driver of the Suzuki, have both been hit by a Hyundai.
After that three other vehicles have collided with the Suzuki which was still in the middle of the road.
The man driver of the Suzuki and woman from the Subaru have both been transported to the Sunshine Coast University Hospital in critical conditions.
Investigations are continuing.