Ключевые слова: alert, asphalt, bicycle, bicycle sign, bike, bike lane, caution, city, concept, cycling, cycling path, ecology, flat, freeway, healthy, highway, icon, information, lane, law, marking, outdoor, painted, pavement, public, road, road marking, road sign, road traffic, road traffic safety, roadsign, route, safety, sidewalk, sign, silhouette, street, symbol, track, traffic, transport, transportation, urban, walk, warning, way, yellow, yellow sign, zone,