1. Research Associate, Center for Transportation Research, Univ. of Texas at Austin, 3925 W. Braker Ln., Suite 4.11080, Austin, TX 78759 (corresponding author). ORCID: .
2. Professor, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 301 E. Dean Keeton St., ECJ 5.412, Austin, TX 78712.
3. Associate Director Retired, Construction Industry Institute, Austin, TX 78759; Research Associate Professor Retired, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, Austin, TX 78759.