As a matter of simple physics, the only way pedestrians are killed in crashes is because cars are moving sufficiently fast to bring deadly force to a crash— whi

As a matter of simple physics, the only way pedestrians are killed in crashes is because cars are moving sufficiently fast to bring deadly force to a crash— which makes cars traveling at speeds over 20mph in areas with pedestrians the fundamental cause of pedestrian deaths. https://nacto.org/docs/usdg/relationship_between_speed_risk_fatal_injury_pedestrians_and_car_occupants_richards.pdf https://nacto.org/docs/usdg/relationship_between_speed_risk_...