Major emergency response after serious multi-vehicle collision closes A303 near Thruxton

A major emergency services response is under way following a serious multi-vehicle collision on the A303 westbound near Thruxton, between Andover and Amesbury.

The collision happened shortly after 8.15pm this evening (Saturday, November 7), prompting a significant deployment of emergency services to the scene.

Initial reports indicate that more than 20 vehicles may be involved, although the exact number has not yet been confirmed.

At least 10 ambulances are reportedly among the emergency resources attending the incident, alongside multiple other emergency service units. Crews are working at the scene as the response continues.

Hampshire and Isle of Wight Constabulary has confirmed that officers and emergency service partners are dealing with a multiple-vehicle road traffic collision on the westbound carriageway near Thruxton.

In a statement, the force said: "We and our emergency service partners are currently in attendance following reports of a multiple-vehicle road traffic collision on the A303, westbound carriageway, near to Thruxton."

Police have confirmed that the westbound carriageway is closed between the junctions for Quarley and Weyhill, at Hundred Acre Roundabout.

Motorists are being urged to avoid the area and find alternative routes while emergency services respond to the incident.

The closure is causing significant disruption for drivers travelling through the area, with delays expected to affect surrounding roads.

Police have also asked motorists to remain patient while emergency crews deal with the situation.

The force added that it would provide further updates once the road has reopened.

Drivers planning to travel between Andover and Amesbury are advised to check their journeys before setting off, allow additional time and follow any diversion signs or instructions from police.

At this stage, further details about the number of vehicles involved, possible casualties and the circumstances surrounding the collision have not been confirmed.

The incident remains ongoing, and SalisburyPost will continue to monitor developments and publish further information as it becomes available from the emergency services.

Road closure: A303 westbound between Quarley and Weyhill (Hundred Acre Roundabout), near Thruxton.

Motorists are advised to avoid the area and use alternative routes.