1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of New Haven, 300 Boston Post Rd., West Haven, CT 06516.
2. Associate Professor of Civil Engineering, Dept. of Civil and Environmental Engineering, Univ. of New Haven, 300 Boston Post Rd., West Haven, CT 06516 (corresponding author).
3. Project Engineer I, NY/NJ Transportation Group—Walsh Group, 201 Rt. 17, North Rutherford, Rutherford, NJ 07070.