Ключевые слова: allow, background, black, blurred, bright, caution, city, color, concept, control, crosswalk, danger, design, drive, figure, glow, glowing, go, green, human, information, lamp, led, light, man, night, road, roadsign, safe, safety, security, semaphore, sign, signal, sky, step, stop, street, symbol, town, traffic, transport, transportation, trekking, urban, walk, warning, way,