4 Exemptions
1 The controls specified in article 3(1) do not apply in respect of a vehicle which is being used for a purpose which is within the exemption to a restriction or prohibition imposed by any other order made under the Road Traffic Regulation Act 1984 or which is permitted by any other order.
2 The controls specified in article 3(1) do not apply in respect of a vehicle stopping in a bus lane if the vehicle is being used in–
(a) the service of a local authority for the purpose of collecting refuse;
(b) the pursuance of any statutory duty of the Post Office for the purpose of collecting or delivering letters provided the vehicle bears the Royal Mail livery;
(c) connection with the removal of any obstruction to traffic;
(d) connection with the maintenance, improvement or reconstruction of any road;
(e) connection with the maintenance, improvement or construction of any street furniture including bus stop infrastructure;
(f) connection with any building operation or demolition;
(g) connection with the laying, erection, alteration or repair in or near the bus lane of any sewer or of any main, pipe or apparatus for the supply of gas, water or electricity, or of any telecommunications apparatus as defined in paragraph 1(1) of Schedule 2 of the Telecommunications Act 1984;
1984 c. 12.
if the vehicle cannot be used for that purpose without being in the bus lane and in so far as the activity is not prohibited by the provisions of any other order made under the Road Traffic Regulation Act 1984.
3 The controls specified in article 3(1) do not apply in respect of–
(a) a vehicle entering or stopping in a bus lane so as to avoid an accident;
(b) a vehicle entering or stopping in a bus lane to allow a person to get or give help in consequence of an accident or emergency or otherwise take action for public safety;
(c) a vehicle crossing a bus lane in order to get to or from any road adjacent to the bus lane or any vehicular access to premises adjacent to the bus lane;
(d) a vehicle being in a bus lane to such an extent and for such a time as is needed to comply with any requirement resulting from works or an emergency in any part of the road adjoining the bus lane;
(e) a vehicle being used for ambulance, fire brigade or police purposes;
(f) a vehicle stopping in a bus lane if it has lawfully entered the bus lane and it has to stop–
(i) by law;
(ii) to avoid an accident;
(iii) in circumstances beyond the driver’s control;
(g) anything done with the permission or at the direction of a police constable in uniform or a traffic warden.