There are reports of a multi-vehicle collision westbound on the A27 at Brighton.
The collision happened between Coldean Lane (Hollingbury/ Ditchling junction) and the A23 London Road, according to the reports.
Traffic is said to be coping well.
Police are on their way to investigate.
Meanwhile, there are reports of a broken down vehicle on the A27 near Coldean Lane (Hollingbury/Ditchling junction).
Traffic is also said to be coping well – and police are on their way to investigate.