Ключевые слова: advisory, background, black, blue, caution, cloudy, color, colorful, communication, concept, damaged, danger, dead, dead end, diamond shape, diamond street sign, direction, end, highway, letters, metal, nobody, noexit, one, ordinance, outdoor, outside, post, reflective, restriction, road, road sign, rural, rust, safety, sign, signage, sky, stop, street, street sign, symbol, traffic, transportation, travel, warning, wrong, yellow, yellow black,