We require driving licenses, age restrict operation of vehicles, require vehicles to operate within parameters (speed limits, gross vehicle weights) and accordi

We require driving licenses, age restrict operation of vehicles, require vehicles to operate within parameters (speed limits, gross vehicle weights) and according to standards (traffic signals and markings), and prohibit operation while under the influence of decision or reaction-impairing substances. Because these are all statistical precursors to accidentally killing someone with a car.