A SERIOUS collision has blocked the carriageway at the Bognor Bridge roundabout.
Emergency services were called at 7.20am this morning (Tuesday, September 17) to a collision between two vans.
Both drivers suffered serious, but not believed to be life threatening, injuries.
The collision is causing problems for westbound traffic.
A broken down bus is also causing delays at the Causeway in Arundel.
A Sussex Police spokesman said: “Drivers are asked to leave plenty of time for their journeys and use alternative routes if possible.”