An 85-year-old man has died and a 22-year-old driver is in life-threatening condition following a head-on collision on Highway 48 in Georgina on Wednesday evening.

Aurora OPP said officers responded to the crash east of Park Road sometime before 7 p.m. The collision involved a white van and a black Jeep.

The older man was pronounced dead following the collision, while the younger driver was transported to a trauma centre with life-threatening injuries.

Highway 48 was closed for several hours as police investigated the scene. The highway reopened at approximately 4 a.m. Thursday.

Police say the investigation remains ongoing.