South Bruce OPP are investigating a serious head-on collision that left one of the drivers with major injuries.

Emergency crews were called to a crash on Bruce Road 3 north of Mildmay around 4:45 p.m. Tuesday.

An SUV was travelling northbound when it crossed into the oncoming lane and collided head-on with a southbound pick-up truck.

The 65-year-old female Mazda driver suffered serious injuries and taken to hospital.

She has been charged with careless driving.

The 27-year old male truck driver from Saugeen Shores, sustained minor injuries.