The A3102 in Royal Wootton Bassett is closed following a road traffic collision.
Police were called to a crash on the junction for Stoneover Lane at around 9am today (Friday).
The incident is believed to have involved a camper van and a van, but little is known at this stage.
A spokesperson for Wiltshire Police said there are “not thought to be any serious injuries, but the road may be closed for a few hours while recovery is ongoing.”
Adding: “Please find alternate routes.”