Ключевые слова: asphalt, barrier, black, bump, bumps, bumpy, car, cement, color, control, crossing, danger, direction, down, drop, empty, hump, line, obstacle, outdoors, parking, protection, ramp, road, row, safety, sign, slow, speed, stop, street, strip, striped, surface, symbol, tile, traffic, transportation, urban, warning, way, yellow,