1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Louisiana State Univ., 3526c Patrick Taylor Hall, Baton Rouge, LA 70803.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., 3526c Patrick Taylor Hall, Baton Rouge, LA 70803 (corresponding author).
3. Senior Pavement Research Engineer, Louisiana Transportation Research Center, Louisiana State Univ., 4101 Gourrier Ave., Baton Rouge, LA 70808.
4. Pavement Geotechnical Research Administrator, Louisiana Transportation Research Center, Louisiana State Univ., 4101 Gourrier Ave., Baton Rouge, LA 70808.