Four vehicles have collided on the A264 near Cralwey.
One of the vehicles, a lorry, is said to have overturned.
The road is blocked due to debris on the road and traffic is queueing between Faygate Lane / Tower Road and A2220 Horsham Road / Sullivan Drive (Bewbush Manor Roundabout).
The emergency services are on the scene.
Did you see what happened? Call the newsdesk on 01273 544516.