1. Associate Research Engineer, Materials and Pavement Division, Texas Transportation Institute, 3135 TAMU, College Station, TX 77840-3135 (corresponding author).
2. Assistant Research Engineer, Materials and Pavement Division, Texas Transportation Institute, 3135 TAMU, College Station, TX 77840-3135.
3. Pavement Engineer, Materials and Pavement Branch, Construction Division, Texas Department of Transportation, Austin, TX 78763.
4. Senior Research Engineer, Materials and Pavement Division, Texas Transportation Institute, 3135 TAMU, College Station, TX 77840-3135.