1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, NV 89557 (corresponding author).
2. Senior Transportation Engineer, California Dept. of Transportation, Sacramento, CA 95833.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, NV 89557.
4. Professor, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, NV 89557.