The A342 at Lower Everleigh near Pewsey is closed after a collision involving two cars.
The incident occurred shortly before 3.30pm at the dip prior to the Indian restaurant in the 50mph zone. It involved a gold Ford Focus and a black Volkswagen Golf.
The passenger of the Ford Focus has suffered a serious head injury and the driver of the Golf, an elderly female, has minor injuries.
The air ambulance and police are still at the scene and the road between Upavon and the A338 is currently closed.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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 here