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10 <br />Four organizations aze responsible for making the conformity determinations in four distinct parts of the <br />Triangle Ozone Maintenance Area: <br />a. the Capital Area MPO within the CAMPO metropolitan azea boundary -all of Wake County, and <br />parts of Franklin, Granville, and Johnston counties. <br />b. the DCHC MPO within its metropolitan azea boundary -all of Durham County and parts of Orange <br />and Chatham counties. <br />c. the Burlington-Graham MPO within its portion of the metropolitan azea boundary in western <br />Orange County. <br />d. the NCDOT in a rural azea that is comprised of those portions of Chatham, Orange, Person, Franklin, <br />Granville and Johnston Counties that remain outside of any MPO metropolitan area boundary. <br />Each of these responsible organizations must make a conformity determination for its respective azea in order <br />for all of the azeas to be designated in conformity. <br />The final conformity determination is made at the Federal level by FHWA/FTA. These determinations must <br />be made at least every four years, or when transportation plans or TIPS aze amended or updated, or within <br />one year of the effective date of anon-attainment designation. Conformity determinations must also be made <br />within two years after the approval of a State Implementation Plan (SIP) containing motor vehicle emission <br />budgets or determination of adequacy of those budgets. <br />The conformity analyses are made available to the public as part of the MPO and/or State DOT planning <br />processes. MPOs aze required to make transportation plans, TIPS, and conformity determinations available to <br />the public, accept and respond to public comments, and provide adequate notice of relevant public meetings. <br />Project sponsors of specific transportation projects within the transportation plans and TIPS must also include <br />appropriate public involvement during project development. <br />Emissions Budget <br />The SIP places limits on emissions of each pollutant for each source type (mobile, stationary and azea <br />sources). Projected emissions from highway and transit usage must be less than or equal to the emissions <br />limits for on-road mobile vehicles that aze established by the SIP, or be less than baseline emissions where no <br />SIP has yet been adopted. These limits on motor vehicle emissions sources are called "budgets." Budgets aze <br />developed as part of the air quality planning process by State air quality/ environmental agencies, and <br />approved by EPA. Transportation agencies participate in this process. <br />Transportation Control Measures (TCMs) <br />Areas can include TCMs in their SIPs. TCMs are specific programs designed to reduce emissions from <br />transportation sources by reducing vehicle use or changing traffic flow or congestion conditions. In North <br />Cazolina there are currently no TCMs included in SIPS. TCMs can include such programs as: <br />• developing high occupancy vehicle (HOV) facilities <br />• ordinances to promote non-motor vehicle travel <br />• transit improvements <br />• signal timing <br />• bicycle and pedestrian facilities <br />• land use planning <br />2 <br />