A MOTORIST who was driving while unfit and in possession of a class B drug has been arrested following a car crash this morning.

Police were called at 8.41am to reports of a single vehicle collision on the westbound A303, just before the A3057 off slip.

The 42-year-old man from Weybridge was also arrested for failing to stop at the scene of an incident.

He is currently in police custody.

Paramedics also attended to the motorist before discharging him.