I think I remember that a ballpark figure (meaning zero significant figures) for how many miles a human typically drives between fatalities is 100 million, or r

I think I remember that a ballpark figure (meaning zero significant figures) for how many miles a human typically drives between fatalities is 100 million, or roughly 100 lifetimes' worth. I also knew a bus driver who had a plaque for going 1 million miles without an accident.