motorway

a road specially designed and built for motor traffic, which does not serve properties bordering on it, and which: (i) is provided, except at special points or temporarily, with separate carriageways for the two directions of traffic, separated from each other either by a dividing strip not intended for traffic or, exceptionally, by other means; (ii) does not cross at grade with any road, railway or tramway track, or footpath; (iii) is specifically designated as a motorway;