8.—(1) The controls specified in article 3 (1) and (2) do not apply in respect of a person causing:
(a)a bus to stop at a bus stop for as long as may be required to enable passengers to board or alight; or
(b)a bus to stop at a bus stop or a bus stand and being used for operational reasons in the course of providing a London bus service (as defined in section 34 of the Transport Act 1985(1)) under an agreement with London Regional Transport or training drivers to allow such a service to be provided.
(2) In this article “operational reasons” means:
(i)to enable passengers to board and alight;
(ii)to enable crew changes to take place;
(iii)to maintain the scheduled timetable subject, in the case of a bus stop, to a maximum wait of two minutes.