Ключевые слова: arrow, attention, background, billboard, blank, caution, copy, curve, design, direction, empty, frame, guidance, highway, icon, illustration, information, isolated, junction, left, light, message, metal, notice, object, outdoors, pole, post, right, road, roadsign, safety, shape, sign, space, street, symbol, template, traffic, transportation, travel, turn, urban, vector, warning, white, yellow,