Ключевые слова: bicycle, bike, bikeway, biking, bycicle, city, color, cross, cycling, cyclist, danger, day, electric, equipment, evening, forward, green, horizontal, infrastructure, intersection, lamp, lane, light, nobody, outdoors, protection, ready, red, road, safe, safety, semaphore, sign, signal, stop, street, symbol, traffic, trafficlight, transport, transportation, urban, view, walk, warning, way, yellow,