The A36 in Wiltshire is currently closed in both directions between the A338 at Salisbury and the A27 near White Parish after a car left the carriageway in a collision.
Emergency services are at the scene managing the incident and ensuring safety. Authorities have shut the road completely to allow emergency responders to work without obstruction.
Drivers are advised to expect delays and to plan alternative routes while the closure remains in place.
Traffic is being diverted via local roads, with motorists urged to follow posted diversion signs and allow extra travel time for their journeys.
Police and emergency crews continue to respond to the situation and attend to any casualties involved in the collision.
Further updates will be provided as more information becomes available.
For the latest travel information, visit the Traffic England website or use travel apps. A 24/7 helpline is also available on 0300 123 5000 for up-to-date details about the incident.
Originally published by UKNIP.