Emergency services are at the scene of an RTC in Calne this morning and a Highways worker has been seriously injured.
The incident happened just after 10.30am this morning at the Fishers Brook junction.
A black Nissan Qashqai and a Vauxhall van were involved and it is believed that the van has hit a contractor who was working in the road.
Wiltshire Air Ambulance also attended.
The condition of the worker is not currently known, however, neither of the drivers are believed to have been seriously injured.
A spokesperson for Wiltshire Police told Calne News: 'We were called at just before 10am today to a collision involving a car and a pedestrian. Our officers and the air ambulance are on the scene and paramedics are treating the adult male pedestrian.'
Updates will follow.