Can a person in a motorised wheelchair travel along the shoulder of this road?
A)No, on roads outside built-up areas wheelchairs cannot travel.
B)Yes, having to travel mandatorily along the shoulder when it is passable.Correct
C)Yes, being able to travel either on the roadway or on the shoulder.
On roads outside built-up areas that have a passable shoulder, pedestrians must mandatorily walk along said shoulder. A person in a wheelchair is considered a pedestrian, so they must also travel along the shoulder.