15. If the user of a motorized mobility aid does not travel on a sidewalk or cycle lane of a public highway where the maximum authorized speed limit is 50 km/h or less, the user must(1) on a roadway having a one-way traffic lane, a two-way roadway or a roadway divided into three traffic lanes, where the centre lane is used in either direction, travel on the extreme right-hand side of the roadway or on the shoulder, in the same direction as traffic; and
(2) on any other roadway, travel on the shoulder of the roadway, in the same direction as traffic.