A CAR with a lost wheel is causing delays on the A338 Spur Road.
The silver Vauxhall Astra shed the wheel after a collision with the central reservation on the northbound carriageway near Blackwater junction around 12.30pm today.
It is understood the driver may have had a medical episode.
Police and ambulance are on the scene and the police have started a rolling roadblock to divert traffic around the debris.
The other vehicle involved was a Toyota Yaris.
The car has been moved off the carriageway.
Recovery is being arranged with one lane currently closed.
The local authority has been called to repair the barrier.