A lane on the westbound A27 has closed between the Sussex Pad lights and the Shoreham Flyover due to a vehicle fire by Lancing College.
The eastbound carriageway was also closed while the fire was put out.
A spokesman for Sussex Police said: "Shortly before 10am on Wednesday 16 April a car caught fire in the filter road to Shoreham Airport off the A27. One lane of the westbound carriageway was closed,
"Nobody was hurt and fire is now out ."
A27 *closed* both ways between the Sussex Pad lights and A283 (Shoreham Flyover) due to a vehicle fire (10:24)— Traffic South (@Traffic_SouthE) April 16, 2014