The A24 near Southwater has been closed northbound after a collision involving a car and a pedestrian this evening (Wednesday January 29).
Emergency services were called to the scene at around 5.40pm.
Sussex Police and paramedics from South East Coast Ambulance Service are in attendance.
It has been closed between the Mill Straight junction and Hop Oast Park Ride Roundabout.
There are reports of queueing traffic.
Updates to follow.