A jackknifed lorry is causing major delays on the Swindon to Marlborough road.
Police are currently at the scene directing traffic past the incident on the A346 near Chiseldon.
Dorset and Wiltshire Fire and Rescue Service also have a number of crews on scene.
A police spokesperson said: “The road is just about passable, but it is currently very slow. Police are in the area controlling traffic at this time. Please seek an alternative route where possible.”
