1. Graduate Research Assistant, Dept. of Construction Management, Louisiana State Univ., Baton Rouge, LA 70803.
2. CETF Distinguished Professor, Dept. of Construction Management, Louisiana State Univ., Baton Rouge, LA 70803 (corresponding author).
3. Irma Louise Rush Stewart Distinguished Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
4. Director, Louisiana Transportation Research Center, 4101 Gourrier Ave., Baton Rouge, LA 70808.
5. Professor, Dept. of Textiles, Apparel Design and Merchandising, Louisiana State Univ., Room 125 Human Ecology Bldg., Baton Rouge, LA 70803.