American Trucking Associations v. Frisco Transportation Company

Mr. Robert W. Ginnane, New York City, for appellant Interstate Commerce Commission.

Mr. Peter T. Beardsley, Washington, D.C., for appellants American Trucking Ass'ns et al.

Mr. Ernest D. Grinnell, Jr., St. Louis, Mo., for appellee.

Mr. Chief Justice WARREN delivered the opinion of the Court.