Ключевые слова: abstract, advice, arrows, background, blue, car, circle, concept, conceptual, construction, control, crossing, direction, driving, enter, entry, exit, highway, icon, illustration, information, isolated, lane, law, lights, many, motorcycle, no, not, parking, railroad, right, road, roundabout, safety, school, set, sign, signage, signal, speed, stop, street, symbol, traffic, travel, truck, turn, vehicle, warning,