Development required for the purposes of the carrying on of any tramway or road transport undertaking consisting of—
(a)the installation of posts, overhead wires, underground cables, feeder pillars or transformer boxes in, on, over or adjacent to a highway for the purpose of supplying current to public service vehicles;
(b)the installation of tramway tracks, and conduits, drains and pipes in connection with such tracks for the working of tramways;
(c)the installation of telephone cables and apparatus, huts, stop posts and signs required in connection with the operation of public service vehicles;
(d)the erection or construction and the maintenance, improvement or other alteration of passenger shelters and barriers for the control of people waiting to enter public service vehicles;
(e)any other development on operational land of the undertaking.