Ключевые слова: attention, background, caution, city, color, colorful, concept, control, crossing, danger, day, figure, go, green, human, lamp, life, light, lights, man, moving, object, pedestrian, people, protection, regulation, road, rule, safe, safety, security, semaphore, sign, signal, stoplight, street, symbol, town, traffic, transport, transportation, urban, walk, warning, way, yes,