Dramatic dashcam of the terrifying moment a caravan driver smashes into a barrier after overtaking a truck in NSW has gone viral.
The shocking footage shows the driver of the car towing the caravan overtake the truck. It then starts to swerve across the road before losing control.
The driver then smashes into the barrier and ends up in a ditch at the side of the M1.
The truck driver, called Paul, sent the footage in to the Dash Cam Owners Australia Facebook page.
Along with the footage, he said: "How not to overtake a B double when towing a caravan. Old mate was a bit shaken but OK".