Ключевые слова: ban, bicycle, bike, biker, biking, blue, cycle, drive, ecological, forbidden, freedom, fun, healthful, healthy, lane, leisure, lifestyle, notice, pass, pathway, pedestrian, pole, prohibition, recreation, recreational, relaxing, reserved, ride, roadsign, round, safety, shape, signal, signalling, signboard, signpost, solution, street, symbol, traffic, transit, urban, vehicle, walk, walker, way, white, zone,