1. Founder’s Professor of Civil and Environmental Engineering, 205 N. Mathews, MC-250, University of Illinois at Urbana-Champaign, Urbana, IL 61801.
2. Senior Research Associate, Virginia Tech Transportation Inst., 3500 Transportation Plaza, Blacksburg, VA 24061-0536.
3. Research Scientist, Virginia Tech Transportation Inst., 3500 Transportation Plaza, Blacksburg, VA 24061-0536.
4. President, CARPI USA, 3517 Brandon Ave., Suite 100, Roanoke, VA 24018.