Ключевые слова: 40, arrow, attention, background, barrier, billboard, blank, board, car, caution, circle, color, colorful, construction, contour, danger, direction, drive, empty, highway, hurdle, icon, illustration, information, isolated, limit, line, linear, offroad, outline, pointer, repair, safety, security, set, sign, signpost, speed, stop, street, symbol, traffic, transport, transportation, warning, way,