Police have identified the driver killed in a single-vehicle collision near Atwood.

Perth County OPP say 68-year-old Robert Galbraith from North Perth was killed when a pickup truck travelling west on Perth Line 75, between Road 166 and Road 169, struck a tree just before noon on Sunday.

They say he was pronounced dead at the scene and he was the lone occupant of the vehicle.

An investigation into what caused the collision continues.

Anyone who witnessed the collision is asked to contact Perth County OPP.