Ключевые слова: activities, asphalt, bicycle, bike, bikers, biking, city, communication, cycle, cyclist, design, direction, ecological, ecology, environment, green, guidance, information, lane, line, outdoor, paint, park, pathway, pavement, recreation, ride, road, road sign, roadsign, route, safety, sign, sport, street, surface, symbol, track, traffic, transport, transportation, travel, urban, vehicles, view, way, wheels, yellow,