In the road shown in the image, drivers of cycles and mopeds, animal-drawn vehicles, special vehicles with maximum authorized mass no greater than 3500 kg, and vehicles for people with reduced mobility, in the case that there is no road or part of a road that is specifically designated for them, will drive on the right shoulder, if it is passable and sufficient for each of these vehicles, and, if it is not, using the essential part of the roadway.