The Mayor of London shall keep under review the system of highways and proposed highways in Greater London and the allocation of responsibility for that system between the different local highway authorities.
If the Mayor of London considers it expedient that—
the Greater London Authority may by order direct that that highway or proposed highway shall become, or (as the case may be) that that road shall cease to be, a GLA road as from such date as may be specified in that behalf in the order.
Where an order under subsection (2) above directs that a highway or proposed highway shall become a GLA road, it shall become such a road as from the date specified in that behalf in the order.
Where an order under subsection (2) above directs that a GLA road shall cease to be such a road, then, as from the date specified in that behalf in the order, the road shall cease to be a GLA road and the following authority, that is to say—
shall become the highway authority for the road.
An order under this section shall be of no effect unless—
For the purposes of subsection (5) above, the relevant highway authority is—