Ключевые слова: alert, asphalt, background, caution, city, close, danger, direction, floor, forbidden, ground, horizontal, icon, information, line, marking, outdoors, paint, pavement, prohibition, protection, public, road, road stop, safe, safety, security, sign, signal, stop, stop sign, street, street sign, surface, symbol, text, texture, traffic, traffic control, traffic sign, transportation, urban, walk, warning, white, word, written, yellow, zebra,