Transportation act amendments, 1963. Hearings before the Surface Transportation Subcommittee of the Committee on Commerce, United States Senate, Eighty-eighth Congress, first session, on S. 1061, a bill to exempt certain carriers from minimum rate regulation in the transportation of bulk commodities, agricultural and fishery products, and passengers, and for other purposes; and S. 1062, a bill to provide for strengthening and improving the national transportation system, and for other purposes ...