1. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Alaska, Fairbanks, AK 99775-5900 (corresponding author).
2. Statewide Pavement Engineer, Alaska Department of Transportation and Public Facilities, 5800 E Tudor Rd., Anchorage, AK 99507.
3. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Alaska, Fairbanks, AK 99775-5900.
4. Director, Alaska Univ. Transportation Center, Univ. of Alaska, Fairbanks, AK 99775-5900.
5. Southeast Regional Materials Engineer, Alaska Dept. of Transportation and Public Facilities, P.O. Box 112506, Juneau, AK 99811-2506.