York Regional Police were called to the scene of a crash that occurred at Ninth Line and Elgin Mills Road, at 9:20 p.m. on Sunday.
Police say the crash resulted from a northbound Mazda crossing the centre lane and striking a southbound Honda Odyssey van.
A passenger in the Odyssey was killed in the crash. The drivers of both vehicles survived.
Police issued a news release on Monday, saying that the Mazda driver faced six impaired and dangerous driving-related charges.
Amrith Angunawela, 22, of Toronto, was due to appear in a Newmarket, Ont., court on Monday.