Ключевые слова: 4way, black, closeup, color image, colors, computer graphic, department of transportation, english language, english text, english word, frame, geometric shape, horizontal, isolated on white, no people, north america, number, number 4, rectangle, red, reflection, regulatory sign, road sign, rounded corner, sign, single word, street, symbol, text, traffic, traffic regulations, traffic rules, transportation, usa, white,