1. Research Engineering and Scientist Associate I, Center for Transportation Research, Dept. of Civil, Architectural and Environmental Engineering, Univ. of Texas at Austin, 301 E. Dean Keeton St., ECJ 6.508, Austin, TX 78712 (corresponding author).
2. Assistant Professor, Dept. of Civil, Architectural and Environmental Engineering, Univ. of Texas at Austin, 301 E. Dean Keeton St., ECJ 6.108, Austin, TX 78712.
3. Associate Professor, Dept. of Mechanical Engineering, Univ. of Texas at Austin, 204 E. Dean Keeton St., ETC 5.146, Austin, TX 78712.
4. Senior Research Scientist, Texas A&M Transportation Institute, Materials Engineering, 3135 TAMU, College Station, TX 77843.
5. Associate Research Engineer, Texas A&M Transportation Institute, Materials Engineering, 3135 TAMU, College Station, TX 77843.