Emergency services are on the scene of a two-car crash in Gunnedah.
Police and paramedics were called to Condadilly Street, near Tempest Street at 8.45am on Wednesday.
A NSW Ambulance spokesperson said initial reports state two cars were involved in a crash, and a 20-year-old woman needs treatment for head injuries.
Eastbound traffic has been affected.
Drivers are urged to be cautious and drive to conditions in the area.