Is the agricultural tractor in the photograph, with a GVW of less than 3,500 kg, travelling correctly?

A)No, because they must use the right-hand lane.
B)No, because they may use any part of the road.
C)Yes.Correct
The driver of any animal-drawn vehicle, special vehicle with a maximum authorised weight not exceeding 3,500 kilograms, cycle, moped, cyclist-following vehicle or vehicle for persons with reduced mobility, in the event that there is no road or part of a road specially designated for them, shall travel on the right-hand hard shoulder, if it is passable and sufficient for each of them, and if it is not, shall use the minimum necessary part of the carriageway.