The A420 near Swindon has closed in both directions after a road traffic collision.
Emergency services were called to the crash shortly before 3pm today (Thursday).
The incident is understood to be outside the Shell garage, near Symmetry Park.
Closures are in place in both directions between Gablecross/Sainsbury roundabout and Shrivenham.
Further details about the circumstances are unclear at this early stage.
A spokesperson for Wiltshire Police said: “Please be aware that the A420 near Gablecross Police Station and the Shell Garage is currently closed in both directions due to a collision.
“Please find alternate routes and allow extra time for journeys.”
