181 The London bus network.E+W+S
(1)Transport for London shall determine which London local services are required for the purpose of providing safe, integrated, efficient and economic transport services in Greater London.
(2)The determination made by Transport for London under subsection (1) above shall be kept under review and may be revised at any time.
(3)The London local services which Transport for London determines are required under this section shall be known collectively as the London bus network.
(4)A London local service which is part of the London bus network may be provided only—
(a)by Transport for London or any of its subsidiaries, or
(b)by any other person in pursuance of an agreement entered into by Transport for London under section 156(2) above or in pursuance of a transport subsidiary’s agreement.
(5)Transport for London shall so far as reasonably practicable provide or secure the provision of the London bus network.