A MINOR collision over the bridge near Horsham Railway Station between two cars caused long queues in both directions.
Two police cars attended the scene, stopping traffic northbound on North Street.
The officer attending the scene said that there were no injuries and that the cars had been cleared, with their priority on clearing the traffic at 4.30pm.
Traffic was tailing back to the Royal Sun Alliance building on North Street, blocking traffic on Hurst Road.
People were being advised to find an alternative route.