London Transport Act 1972
WHEREAS by the Transport (London) Act 1969 the London Transport Executive (in this Act referred to as "the Executive") were established: And whereas it is the general duty of the Executive under the said Act of 1969 to exercise and perform their functions, in accordance with principles from time to time laid down or approved by the Greater London Council, in such manner as, in conjunction with the British Railways Board and the National Bus Company, and with due regard to efficiency, economy ...