Ключевые слова: ahead, background, black, car, careful, caution, colorful, crossroad, danger, dangerous, descent, design, direction, downhill, drive, grade, highway, hill, icon, iconic, information, isolated, message, mountain, nature, object, pole, road, roadside, roadsign, safety, sign, signage, signpost, slope, speed, steep, street, symbol, traffic, transport, transportation, travel, truck, urban, warning, way, white, yellow,