Abstract
The author tries to arrive using a limited number of simple data, at indications for desirable research and/or measures. that risk for pedestrians are still increasing seems to be the unavoidable result of increasing motor traffic. When pedestrians are confronted with vehicles, the number of pedestrian -causalities per one thousand million vehicle-km. increase in the sequence; bicycles, moped, automobile, motor/scooter, bus/lorry. For pedestrians large motor vehicles seem to be the most dangerous.