Department of Transportation v. Association of American Railroads
Department of Transportation v. Association of American Railroads, 575 U.S. 43 (2015), was a United States Supreme Court case in which the Court held "for purposes of determining the validity of the metrics and standards, Amtrak is a governmental entity." == Opinion of the Court == Associate Justice Anthony Kennedy authored the Opinion of the Court, remanding the case back to the United States Court of Appeals for the District of Columbia Circuit.
Source: Wikipedia — Department of Transportation v. Association of American Railroads (CC BY-SA 4.0)