[74C The traffic authority for traffic signs.E+W+S
(1)This section has effect for the purposes of sections 65, 73, 74, 74A, 74B and 75 of this Act.
(2)In the application of those provisions to traffic signs in Greater London which are light signals for controlling the movement of vehicular traffic or of pedestrians, Transport for London shall at all times be deemed to be the traffic authority for all roads in Greater London other than trunk roads.
(3)Without prejudice to the powers of the traffic authority for the road in question, Transport for London shall also be deemed to be the traffic authority for any road in Greater London for which they are not in fact the traffic authority for the purposes of the exercise by them as respects that road under section 73(1A) above of any powers exercisable by the traffic authority for that road.
(4)Subsections (2) and (3) above are subject to any provision to the contrary made by or under section 74A or 74B of this Act.]