One person has died after a head-on crash involving a vehicle and gravel truck on Highway 10 in Caledon.

Caledon OPP say the collision happened around 12 p.m. just north of The Grange Sideroad.

According to police, the vehicle was travelling northbound on Highway 10 when it crossed the centre line for an unknown reason and collided head-on with the southbound gravel truck.

The driver of the vehicle, a 51-year-old Orangeville man, was pronounced dead at the scene.  

Highway 10 between Olde Baseline Road and Charleston Sideroad was closed for several hours while police investigated.