108 STAT. 790 PUBLIC LAW 103-272—JULY 5, 1994 lation (including the central city as defined by the Secretary of Commerce) may redesignate by agreement a metropolitan planning organization when appropriate to carry out this section. (B) A metropolitan planning organization shall be redesignated on request of one or more units of general local government representing at least 25 percent of the affected population (including the central city as defined by the Secretary of Commerce) in an urbanized area with a population of more than 5,000,000, but less than 10,000,000 or that is an extreme nonattainment area for ozone or carbon monoxide (as defined in the Clean Air Act (42 U.S.C. 7401 et seq.)). (C) A metropolitan planning organization shall be redesignated using procedures established to carry out this paragraph. (6) This subsection does not affect the authority, under State law in effect on December 18, 1991, of a public authority with multimodal transportation responsibilities^ (A) to develop plans and programs for a metropolitan planning organization to adopt; and (B) to develop long-range capital plans, coordinate mass transportation services and projects, and carry out other activities under State law. (d) METROPOLITAN AREA BOUNDARIES.^TO carry out this section, the metropolitan planning organization and the chief executive officer shall decide by agreement on the boundaries of a metropolitan area. The area shall cover at least the existing urbanized area and the contiguous area expected to become urbanized within the 20-year forecast period and may include the Metropolitan Statistical Area or Consolidated Metropolitan Statistical Area, as defined by the Secretary of Commerce. An area designated as a nonattainment area for ozone or carbon monoxide under the Clean Air Act (42 U.S.C. 7401 et seq.) shall include at least the boundaries of the nonattainment area, except as the chief executive officer and metropolitan planning organization otherwise agree. (e) COORDINATION. — (1) The Secretary of Transportation shall establish requirements the Secretary considers appropriate to encourage chief executive officers and metropolitan planning organizations with responsibility for part of a multi-State metropolitan area to provide coordinated transportation planning for the entire area. (2) Congress consents to at least 2 States making an agreement, not in conflict with a law of the United States, for cooperative efforts and mutual assistance in support of activities authorized under this section related to interstate areas and localities in the States and establishing authorities the States consider desirable for making the agreement effective. (3) If more than one metropolitan planning organization has authority in a metropolitan area or an area designated a nonattainment area for ozone or carbon monoxide under the Clean Air Act (42 U.S.C. 7401 et seq.), each organization shall consult with the other organizations designated for the area and the State to coordinate plans and projects required by this section and sections 5304-5306 of this title. (f) DEVELOPING LONG-RANGE PLANS. —(1) Each metropolitan planning organization shall prepare and update periodically, according to a schedule the Secretary of Transportation decides is appropriate, a long-range plan for its metropolitan area under the require-
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