The A281 Alfold by-pass, at the Alfold Road Crossways, has been closed in both direction after a serious accident in the area.
The road has been closed in both directions between the B2133 Loxwood Road Alfold Crossways and the Loxwood Road Bucks Green junction.
A representative for Sussex Police said: “We have closed the A281 Guildford Road on the Sussex-Surrey border at Bucks Green, near Horsham, following a serious road traffic collision involving a vehicle and a pedestrian. It happened just before 12.30pm on Monday December 15.
“Emergency services are at the scene, near the road’s junction with Hillhouse Lane.
“Anyone who saw what happened is asked to email email@example.com or phone 101, quoting Operation Brittas.”