The traffic accident, where two vehicles collided, occurred at lunchtime.
Three people traveling in one of the cars were taken by ambulance to hospital.
They should be shocked but have no physical injuries.
Later in the afternoon, the other car was found parked in the Rud area.
The 20-year-old who was believed to be driving the car in the collision was sitting in the car.
Police suspect he was under the influence of drugs.
He was taken to the police station for sampling.