PUBLIC LAW 105-178-JUNE 9, 1998 112 STAT. 165 "(D) relocation assistance, acquisition of replacement housing sites, and acquisition and rehabilitation, relocation, and construction of replacement housing; "(E) elimination of hazards of railway grade crossings; "(F) elimination of roadside obstacles; "(G) improvements that directly facilitate and control traffic flow, such as grade separation of intersections, widening of lanes, channelization of traffic, traffic control systems, and passenger loading and unloading areas; and "(H) capital improvements that directly facilitate an effective vehicle weight enforcement program, such as scales (fixed and portable), scale pits, scale installation, and scale houses. "(4) COUNTY. — The term 'county' includes corresponding units of government under any other name in States that do not have county organizations and, in those States in which the county government does not have jurisdiction over highways, any local government unit vested with jurisdiction over local highways. "(5) FEDERAL-AID HIGHWAY.— The term 'Federal-aid highway' means a highway eligible for assistance under this chapter other than a highway classified as a local road or rural minor collector. "(6) FEDERAL-AID SYSTEM. —The term 'Federal-aid system' means any of the Federal-aid highway systems described in section 103. "(7) FEDERAL LANDS HIGHWAY.— The term 'Federal lands highway means a forest highway, public lands highway, park road, parkway, refuge road, and Indian reservation road that is a public road. "(8) FOREST DEVELOPMENT ROADS AND TRAILS.— The term 'forest development roads and trails' means forest roads and trails under the jurisdiction of the Forest Service. "(9) FOREST HIGHWAY. —The term 'forest highway' means a forest road under the jurisdiction of, and maintained by, a public authority and open to public travel. "(10) FOREST ROAD OR TRAIL. —The term 'forest road or trail' means a road or trail wholly or partly within, or adjacent to, and serving the National Forest System that is necessary for the protection, administration, and utilization of the National Forest System and the use and development of its resources. "(11) HIGHWAY. —The term 'highway' includes— "(A) a road, street, and parkway; "(B) a right-of-way, bridge, railroad-highway crossing, tunnel, drainage structure, sign, guardrail, and protective structure, in connection with a highway; and "(C) a portion of any interstate or international bridge or tunnel and the approaches thereto, the cost of which is assumed by a State transportation department, including such facilities as may be required by the United States Customs and Immigration Services in connection with the operation of an international bridge or tunnel. "(12) INDIAN RESERVATION ROAD.— The term 'Indian reservation road' means a public road that is located within or provides access to an Indian reservation or Indian trust land
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