The A24 Worthing Road has been closed northbound after a serious incident which left a car on fire in a ditch this afternoon (Wednesday July 24).
Sussex Police said the incident was reported at around 4pm by a member of the public who had spotted a car on fire in a ditch just north of Buck Barn crossroads.
Emergency services attended the scene shortly after.
A spokesperson for West Sussex Fire and Rescue Service said it involves a single vehicle and a tree.
Police have closed the A24 Worthing Road northbound and slow traffic has been reported between Buck Barn crossroads in West Grinstead and Hop Oast Park And Ride Roundabout in Horsham.
Congestion to the B2135 Steyning Road junction and on A272 eastbound to Shipley.