Swan Hill Highway Patrol are appealing for witnesses following a collision that left a man with life-threatening injuries in Reedy Lake this morning.
It is believed a utility driver was travelling along the Murray Valley Highway, when they collided with a truck about 8.15am.
The impact forced the truck down an embankment causing the vehicle to roll onto its side.
The driver of the utility, a 59-year-old Kerang man, sustained life-threatening injuries and was airlifted to hospital for treatment.
The truck driver, a 63-year-old Cranbourne South man, sustained non-life-threatening injuries and was also hospitalised.
The exact cause of the collision is yet to be determined and the investigation remains ongoing.
Anyone who witnessed the incident or has information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au