Report No. CDOT -DID-R-92-13 FACTORS THAT AFFECT THE VOIDS AGGREGATE Ti ·T10thy Aschenbrener IN IN THE MINERAL HOT MIX ASPHALT Colorado Department of Transportation 4340 East Louisiana Avenue Denver. Colorado 80222 Charles MacKean Cclorado Department of Transportation 4340 East Louisiana Avenue Denver. Colorado 80222 Final Report October 1992 Prepared in cooperation with the U.S. Department of Transportation Highway Administration