Drivers are being told to follow the hollow diamond diversion symbol on road signs when travelling clockwise and anti-clockwise. Here is a more detailed breakdown of diversions in place.
If travelling anti-clockwise:
Traffic is diverted from the M25 at J9 (Leatherhead) Exit at J9 on to the A243 southbound At the next roundabout (Knoll Roundabout) take the 2nd exit on to the A24 Remain on the A24 heading towards Horsham At Great Daux Roundabout, take the 1st exit on to the A264 Continue travelling on the A264 until the M23 J11 (Pease Pottage Interchange) London Gatwick Airport traffic will enter the M23 northbound and exit at J9
If travelling clockwise:
Traffic is diverted from the M25 at J6 (Godstone) Exit at J6 on to the A22 southbound Remain on the A22 travelling towards Felbridge Turn right on to the A264 towards M23 J10 (Crawley Interchange) London Gatwick Airport traffic will enter the M23 northbound and exit at J9