There were reports of "heavy traffic" on the A27 due to a car fire.
The AA warned drivers to expect delays at Falmer as a result of the incident earlier this evening.
At about 7pm, a spokesman for the service said: "There are reports of heavy traffic due to a car fire on the A27 Falmer Hill eastbound between Coldean Lane (at the Hollingbury/Ditchling junction) and the B2123 The Drove (at the Falmer/Rottingdean Junction).
There is 'heavy traffic' due to a car fire on the A27 at Falmer Credit: @LukeB_MTB
"Sensors suggest this is affecting traffic heading towards Lewes."