Ключевые слова: adventure, africa, ahead, arrow, asphalt, back, bend, blue, caution, change, color image, curve, direction, directional, drive, explore, highway, horizon, left, nature, outdoors, pass, remote, right, road, road sign, safety, sharp, sign, signs, sky, skyline, slow, snowy, south, speed, symbol, traffic, trail, transport, transportation, turn, turning, u, vehicle, warning, way, yellow,