Ключевые слова: 20, 20s, accident hazards, accident prevention, accident risks, average speed, danger, dangers, hazard, individual traffic, insurance coverage, kilometers, kmh, maximum speed, means of transport, mobile, mobility, motor vehicle, motorization, passenger traffic, precaution, prevention, protection, risk, road, road safety, road safety obligation, road traffic, roads, safety, safety performance, slow, speed, speed display, speed limit, speed measurement, street, traffic, traffic calming, traffic infrastructure, traffic route, traffic routes, traffic safety, traffic system, transport, transportation, vehicle, vehicle traffic, vehicles, zone,