Man found unconscious after chaotic crash on Old Port Wakefield Rd at Two Wells

A man has been found unconscious on the side of the road after a bizarre traffic incident north of Adelaide on Saturday night.

A man was found unconscious by the side of the road after a traffic incident north of Adelaide on Saturday.

Emergency services responded to reports of a vehicle collision on Old Port Wakefield Rd at Two Wells about 9pm.

Police said a Mitsubishi Mirage hit the rear of a Mitsubishi ASX three times, causing the ASX to leave the road.

The Mirage stopped a short distance away from the crash scene and other vehicles also stopped to provide assistance.

When police arrived at the scene, the driver of the Mirage – a 34-year-old man from Mallala – was unconscious on the side of the road.

He was taken to hospital in a non-life threatening condition.

Police are investigating the circumstances, including the possibility the man may have been assaulted by a person from another vehicle, possibly a small black hatchback.

The driver of the ASX, a 46-year-old man and his four passengers, all from Two Wells, were uninjured.

Police are appealing for anyone who witnessed the incident or may have dashcam footage to contact Crime Stoppers online at on 1800 333 000.