Ключевые слова: advice, application, arrow, background, blue, caution, control, curve, danger, design, direction, directional, do, drive, enter, highway, icon, illustration, law, left, limit, man, mandatory, obey, one, pattern, pillar, post, red, right, road, safety, sign, sky, slow, speed, street, symbol, traffic, transportation, triangle, trip, turn, vehicle, warning, way,