1. Ph.D., Professor of Civil and Environmental Engineering and Director of Transportation Systems Institute (TSI), Dept. of Civil and Environmental Engineering, Univ. of Central Florida, P.O. Box 162450, Orlando, FL 32816-2450.
2. Ph.D. Candidate for Civil and Environmental Engineering, Dept. of Civil and Environmental Engineering, Univ. of Central Florida, P.O. Box 162450, Orlando, FL 32816-2450.