Railroad
Railroad means any form of nonhighway ground transportation that runs on rails or electromagnetic guideways, including: Commuter or other short-haul railroad passenger service in a metropolitan or suburban area and commuter railroad service that was operated by the Consolidated Rail Corporation on January 1, 1979; and high speed ground transportation systems that connect metropolitan areas, without regard to whether those systems use new technologies not associated with traditional railroads; but does not include rapid transit operations in an urban area that are not connected to the general railroad system of transportation. The term includes rail transit service operating on track that is part of the general railroad system of transportation but does not include rapid transit operations in an urban area that are not connected to the general railroad system of transportation. See 49 U.S.C. 20102.