Ключевые слова: 30, bicycle, blue, car, clear, clouds, crosswalk, daytime, direction, driving, empty, end, environment, europe, germany, information, infrastructure, law, limit, metal, number, outdoor, pedestrian, pole, public, red, regulation, restriction, road, safety, sign, signage, signal, sky, slash, speed, street, streetlight, symbol, thirty, traffic, transportation, travel, urban, warning, weather, zone,