Ключевые слова: africa, arrow, asphalt, blue, caution, chevron, concept, country, countryside, curve, danger, direction, directional, drive, highway, icon, information, landscape, line, metal, nature, nobody, one, outdoors, perspective, red, right, road, roadside, roadway, route, rural, safety, sign, signal, slow, south, speed, street, symbol, traffic, trail, transport, transportation, travel, turn, vehicle, warning, way,