Article 6
While this Order is in force an Assistant Secretary in the London Regional Directorate of the Department of Transport may, if it appears to him essential in the interests of the expeditious, convenient and safe movement of traffic, and after—
(a)
consulting with the Commissioner of Police of the Metropolis; and
(b)
giving such notice as the Secretary of State for Transport may direct,
make modifications of any description (other than additions) to the Order or suspend the Order or any provision of the Order.