The junction at Effingham Junction between Effingham Common Road and Forest Road/Horsley Road will be closed from 8pm Wednesday 20 September to 6am Saturday 23, so Surrey County Council can repair the road.
The A3 will be closed from 9pm Friday 29 September to 6am Monday 2 October. The A3 will be closed in both directions between the M25 Junction 10 roundabout and the Ripley roundabout. Diversions will be in place in the north via M25 east to Junction 9 to Leatherhead, and then via the A246 to West Clandon and Burntcommon to the Ripley roundabout.
Further details on the A3 closure and Junction 10 are available on Surrey County Council website here