Ключевые слова: ahead, alert, alphabet, american, art, background, banner, bus, caution, clip, crossing, cut, cutout, danger, diamond, direction, driving, effect, element, english, glossy, guard, highway, icon, illustration, isolated, lane, law, letters, notice, object, octagon, pattern, red, road, safety, school, shape, sign, signage, stop, street, symbol, texture, traffic, transportation, warning, white, yellow,