Ключевые слова: asphalt, background, bike, biking, conceptual, conveyance, copyspace, course, drive, ecological, exercise, grey, ground, healthcare, icon, infrastructure, lane, lines, logo, marks, outdoors, painted, passage, pathway, pavement, pictogram, public, recreation, red, ride, road, roadsign, route, safe, safety, sign, signal, silhouette, sport, street, symbol, track, traffic, transportation, urban, way, white,