Ключевые слова: abstract, accident, allowed, art, background, ban, bicycle, bike, biker, biking, caution, circle, cycle, danger, forbidden, icon, isolated, law, metal, no, notice, painted, park, pedal, plate, pole, post, prohibit, prohibited, prohibition, red, regulation, restrict, restricted, restriction, road, rule, safety, sign, sport, stop, symbol, texture, traffic, transport, warning, way, wheel, white,