1. Postdoctoral Scholar, Dept. of Civil Engineering, Univ. of Kentucky, Lexington, KY 40506 (corresponding author).
2. Senior Asphalt Technician, Asphalt Institute, 2696 Research Park Dr., Lexington, KY 40511.
3. Blankenship Asphalt Tech and Training, PLLC, P.O. Box 1656, Richmond, KY 40476.
4. Professor, Dept. of Civil Engineering, Univ. of Kentucky, Lexington, KY 40506.
5. Director of Research Services, Asphalt Institute, 2696 Research Park Dr., Lexington, KY 40511.