The main road between Lyneham and Royal Wootton Bassett is closed following a crash.
The two-vehicle collision happened at around 6pm on the A3102, which is closed between The Green (Texaco petrol station) and the Tockenham junction.
A spokesperson for Wiltshire Police said: “We expect the road to remain closed for a little over one hour as the damaged vehicles cannot be moved.”
The road is likely to be reopened by 8pm.
