Amtrak shall operate a national rail passenger transportation system which ties together existing and emergent regional rail passenger service and other intermodal passenger service.
(Pub. L. 103–272, § 1(e), July 5, 1994, 108 Stat. 923; Pub. L. 105–134, title I, § 101(a)(1), Dec. 2, 1997, 111 Stat. 2572.)