Ключевые слова: background, blue, city, clip art, color image, control, danger, equipment, go, green, green color, green light stoplight, guidance, horizontal, icon, illuminated, illustration, isolated, lamp, light, lighting equipment, no people, outdoors, red, red light stoplight, regulation, road, road sign, road signal, rule, safety, semaphore, sign, signal, sky, stop, stop sign, stoplight, street, symbol, traffic, traffic light, transport, transportation, travel, urban, warning, white background, yellow,