art 8 Exemptions at bus stops and stands
(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 ) 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.