112 STAT. 166 PUBLIC LAW 105-178^JUNE 9, 1998 or restricted Indian land that is not subject to fee title alienation without the approval of the Federal Government, or Indian and Alaska Native villages, groups, or communities in which Indians and Alaskan Natives reside, whom the Secretary of the Interior has determined are eligible for services generally available to Indians under Federal laws specifically applicable to Indians. "(13) INTERSTATE SYSTEM.—The term Interstate System' means the Dwight D. Eisenhower National System of Interstate and Defense Highways described in section 103(c). "(14) MAINTENANCE. — The term 'maintenance' means the preservation of the entire highway, including surface, shoulders, roadsides, structures, and such traffic-control devices as are necessary for safe and efficient utilization of the highway. "(15) MAINTENANCE AREA. — The term 'maintenance area' means an area that was designated as a nonattainment area, but was later redesignated by the Administrator of the Environmental Protection Agency as an attainment area, under section 107(d) of the Clean Air Act (42 U.S.C. 7407(d)). "(16) NATIONAL HIGHWAY SYSTEM.The term 'National Highway System' means the Federal-aid highway system described in section 103(b). " (17) OPERATING COSTS FOR TRAFFIC MONITORING, MANAGE- MENT, AND CONTROL. —The term 'operating costs for traffic monitoring, management, and control' includes labor costs, administrative costs, costs of utilities and rent, and other costs associated with the continuous operation of traffic control, such as integrated traffic control systems, incident management programs, and traffic control centers. "(18) OPERATIONAL IMPROVEMENT.— The term 'operational improvement'— "(A) means (i) a capital improvement for installation of traffic surveillance and control equipment, computerized signal systems, motorist information systems, integrated traffic control systems, incident management programs, and transportation demand management facilities, strategies, and programs, and (ii) such other capital improvements to public roads as the Secretary may designate, by regulation; and "(B) does not include resurfacing, restoring, or rehabilitating improvements, construction of additional lanes, interchanges, and grade separations, and construction of a new facility on a new location. "(19) PARK ROAD.— The term 'park road' means a public road, including a bridge built primarily for pedestrian use, but with capacity for use by emergency vehicles, that is located within, or provides access to, an area in the National Park System with title and maintenance responsibilities vested in the United States. "(20) PARKWAY. —The term 'parkway', as used in chapter 2 of this title, means a parkway authorized by Act of Congress on lands to which title is vested in the United States. "(21) PROJECT. — The term 'project' means an undertaking to construct a particular portion of a highway, or if the context so implies, the particular portion of a highway so constructed or any other undertaking eligible for assistance under this title.
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