Access to M25 closed near Sunbury following single vehicle

Officers from Surrey Roads Policng and Highways England have closed the M3 Southbound at Junction 1 where the A316 ends and the M3 begins. Emergency services are dealing with a single vehicle collision with a car blocking multiple lanes. A diversion route has been in place. Drivers are being advised to follow signage with a black diamond sign on its side off at Sunbury Cross and along the A308 to Staines to join the M25 motorway. Driver are reporting on the southbound, approximately 2 miles of slow moving traffic between Junction 1 – Junction 2. More to follow