Ключевые слова: advertising, background, banner, billboard, blank, board, city, communication, control, copy, direction, display, drive, empty, frame, highway, holiday, hot, idea, industrial, information, isolated, message, metal, mountain, off, panel, plus, post, poster, price, road, roadside, safety, sale, sign, space, street, symbol, traffic, trail, transportation, travel, trip, turn, warning, way,