A woman has been air lifted to hospital after her car overturned on the A350 near Chippenham during rush hour.
The road has been closed at junction 17 of the M4 and roads going to and from Chippenham have also been closed after the police, air ambulance, fire and ambulance crews attended the scene.
The woman was freed by fire fighters from Chippenham and Corsham and her injuries are not thought to be life threatening.
The accident happened just after 4.30pm this afternoon and Wiltshire Police have said the A350 dual carriageway southbound will be closed for at least an hour.
No other vehicle is thought to have been involved.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article