Ключевые слова: arrow, background, billboard, black, brazil, brazilian, caution, circle, circular, concept, direction, follow, graphic, highway, information, latin america, law, line, mandatory, message, metal, nobody, object, one, parallelepiped, pattern, public, red, right direction, road, route, safety, set, sign, signal, single, south america, stone, stop, street, symbol, texture, traffic, transit, transport, transportation, urban, way, white,