Ключевые слова: attention, background, blue, car, caution, closeup, concept, danger, dangerous, direction, driving, element, enter, entry, forbid, forbidden, halt, hazard, highway, icon, information, low angle, mark, message, metal, no, not, prohibition, red, restriction, risk, road, roadsign, safety, security, shadow, sign, signal, sky, stop, street, sunny, surface, symbol, traffic, transportation, warning, way, white,