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26 aCRONYMS APA Asphalt pavement analyzer DOT Department of transportation ESAL Equivalent single axle load IRI International Roughness Index HWTT Hamburg Wheel Tracking Test MTV Materials transfer vehicle NCAT National Center for Asphalt Technology NMAS Nominal maximum aggregate size OGFC Open-graded friction course OT Overlay tester PCC Portland cement concrete PCR Pavement condition rating PFC Porous friction course RAP Reclaimed asphalt pavement RAS Recycled asphalt shingles SMA Stone matrix asphalt TTI Texas Transportation Institute UTBWC Ultra-thin bonded wearing course VMA Voids in mineral aggregate WMA Warm mix asphalt