Board of Investigation and Research: Transportation Act of 1940. Letter from the Board of Investigation and Research, Transmitting Annual Report of the Board for the Year Ended September 18, 1943. Annual Report for 1943, September 18, 1943. Nelson Lee Smith, Chairman. Robert E. Webb, C.E. Childe. September 20, 1943. -- Referred to the Committee on Interstate and Foreign Commerce and Ordered to be Printed