Ключевые слова: attention, background, ban, caution, concept, drive, driving, europe, highway, icon, information, isolated, law, mark, message, net, obey, object, octagon, octagonal, prevention, reflection, regulation, restrictive, risk, road, roadsign, rule, safety, sign, signal, signs, single, slowly, stop, stop sign, street, symbol, traffic, traffic signs, transit, transport, transportation, travel, urban, vehicles, warning, way, white,