§ Mr. SpearingTo ask the Secretary of State for Transport what requests or instructions he has made to London Regional Transport or London Underground Limited which has resulted in changes in the methods of maintenance, or replacement, of signalling equipment on their railways; what changes in practice have already taken place; and what further changes are now planned.
§ Mr. PortilloMy right hon. Friend the Secretary of State has made no requests nor given instructions to London Regional Transport or London Underground Limited about signalling equipment. Any change in practice involving either maintenance or replacement of such equipment is a matter for London Regional Transport, bearing in mind that undertaking's statutory duty to provide services with due regard to efficiency, economy and safety of operation.