Amtrak authorization: Hearings before the Subcommittee on Transportation and Commerce of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-fifth Congress, second session, on H.R. 11493 a bill to amend the Rail Passenger Service Act to extend the authorization of appropriations for an additional fiscal year, to provide for public consideration and implementation of a rail passenger service study, and for other purposes ; H.R. 11089 a bill to provide for the designation and implementation of a revised basic rail passenger system, the restructuring of the National Railroad Passenger Corporation, and for other purposes. March 20, 21, and April 5, 1978