1. Secretary, Advanced Transit Association, 1853 Santa Rita Dr., Pittsburg, CA 94565 (corresponding author).
2. Project Engineer, Michael Baker, Jr., Inc., 6955 S. Union Park Center, Ste. 370, Midvale, UT 84047.
3. Ph.D. Candidate, School of Civil and Environmental Engineering, Georgia Inst. of Technology, 790 Atlantic Dr., Atlanta, GA 30332.
4. Associate Engineer, Wilbur Smith Assoc., 8 E. Broadway, Ste. 613, Salt Lake City, UT 84111-2227.
5. Postdoctoral Research Associate, Dept. of Civil and Environmental Engineering, Univ. of Utah, 122 S. Central Campus Dr., Salt Lake City, UT 84112-0561.