1. Research Associate, Center for Environmentally Sustainable Transportation in Cold Climates, Institute of Northern Engineering, Univ. of Alaska Fairbanks, Fairbanks, AK 99775-5900.
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Alaska Fairbanks, Fairbanks, AK 99775-5900 (corresponding author).
3. Assistant Professor, College of Highway, Chang’an Univ., Xian, Shannxi 710064, China.
4. State Pavement Engineer, Alaska Dept. of Transportation and Public Facilities, 5800 E. Tudor Rd., Anchorage, AK 99507.