1. Postdoctoral Researcher, Dept. of Mechanical Engineering, Univ. of Delaware, Newark, NJ 19702.
2. Visiting Professor, School of Automobile, Chang’an Univ., Xian 710064, China; Professor, John A. Reif, Jr. Dept. of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102 (corresponding author).
3. Transportation Planning Engineer, HNTB Corporation, 2900 S. Quincy St., Suite 600, Arlington, VA 22206.