Ключевые слова: attention, background, border, car, caution, closeup, concept, crossroad, danger, design, direction, drive, fence, forbidden, freeway, green, highway, information, intersection, leaves, message, metal, nature, nobody, object, octagon, outdoors, pole, prohibited, red, road, roadside, rural, safety, sign, signal, speed, stop, street, summer, symbol, text, traffic, transport, transportation, travel, trip, wall, warning, way,