1. Professor Emeritus and Research Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Los Angeles, CA 90095 (corresponding author). ORCID: .
2. Senior Staff Engineer, Fugro, 5855 Rickenbacker Rd., Commerce, CA 90040.
3. Transportation Engineer, California Dept. of Transportation (Caltrans), 21073 Pathfinder Rd., Suite 200, Diamond Bar, CA 91765.