A collision has been reported involving a bus and another vehicle causing delays on the A361 between Highworth and Swindon.
The road is closed at the Supermarine roundabout closest to the petrol station (Highworth end).
The collision occurred outside of the Red Down Farm just outside of Highworth around 6pm.
The road is reportedly going to be closed nearly all night.
If travelling to Highworth from Swindon, it is advised to take an alternative route.