Ключевые слова: advice, asphalt, attention, background, black, careful, caution, danger, dangerous, direction, down, drive, environment, european, flat, gray, green, grunge, instruction, lane, letters, line, marking, nobody, notice, outdoor, perspective, road, route, rule, safety, sign, signal, slow, speed, street, stripe, surface, symbol, tarmac, text, warning, white, word, worded marking, writing,