ONE lane is closed on the A423 Southern By-Pass Road following a crash.
Drivers are facing delays after two vehicles collided on the westbound carriageway at A4144 Abingdon Road.
Police are on the scene at the Kennington Roundabout.
A spokeswoman for the South Central Ambulance confirmed that one Ambulance attended the crash at Kennington roundabout.
No-one was taken to hospital.
Katherine Morrow said: “We were called at 1.05pm to reports of a road traffic collision involving two vehicles on Kennington roundabout. We sent one ambulance officer to the scene and no-one was taken to hospital.”