Ontario Provincial Police have charged a Sudbury man, 31, with manslaughter after a fatal multi-vehicle crash on Highway 17 near Lively on May 28.
He's also charged with two counts of operation of a motor vehicle causing bodily harm.
Four vehicles were involved in the collision that happened about 5 p.m. that day.
A passenger in one of those vehicles, a 71 year-old woman, was pronounced dead at the scene.
Police say three other people were taken to hospital to be treated for serious injuries.