A woman has been airlifted to hospital with severe head injuries after two-vehicle crash in Caledon, Ont.

Ontario Provincial Police were called to the intersection of Dixie and Old School Roads just before 6 p.m. on Wednesday.

One vehicle was seen in a ditch near the intersection.

OPP Sgt. Kerry Schmidt said the woman was taken away by an Ornge air ambulance. It is unclear if her injuries are life-threatening.

Police have closed Dixie Road, between Mayfield Road and King Street. Old School Road is also closed from Bramalea to Heart Lake roads.