Omnibus Transportation Legislation. Letter from the Chairman of the Legislative Committee, Interstate Commerce Commission. Transmitting to the Chairman of the Committee on Interstate and Foreign Commerce of the House of Representatives a Report on the Bills (H.R. 2531 and H.R. 4307) Relative to Omnibus Transportation Legislation, Together with the Recommendations of the Committee of Three Members of the Commission and the Recommendations of the Committee of Six, Composed of Three Representatives of Railway Management and Three Representatives of Railway Labor.