1. Assistant Professor, Dept. of Civil Engineering, College of Engineering, Univ. of Texas at El Paso, 500 West Univ. Ave., El Paso, TX 79968 (corresponding author).
2. Professor, Dept. of Industrial and Systems Engineering, Dwight Look College of Engineering, Texas A&M Univ., 3131 TAMU, College Station, TX 77843.
3. Research Engineer, Materials and Pavement Division, Texas Transportation Institute, Texas A&M Univ. System, 3135 TAMU, College Station, TX 77843.
4. Graduate Student Researcher, Center for Transportation Infrastructure Systems, Dept. of Civil Engineering, College of Engineering, Univ. of Texas at El Paso, 500 West Univ. Ave., El Paso, TX 79968.