asked the Home Secretary whether, for the purpose of reducing the physical strain borne by the police in directing street traffic, he will consider making use of the automatic device successfully adopted in the principal cities of the United States and certain of the British Dominions?

The possibility of using street towers for directing traffic has been considered in the past and is now again under consideration; but the streets in London (and in most of the busy provincial centres) do not lend themselves to the control of traffic by automatic devices to the same extent as in the United States.