1. Assistant Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803 (corresponding author).
2. Irma Louise Rush Stewart Distinguished Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
3. Assistant Research Scientist, Texas Transportation Institute, Texas A&M Univ., College Station, TX 77843.
4. Graduate Research Assistant, Louisiana State Univ., Baton Rouge, LA 70803.
5. Associate Professor, Zachry Dept. of Civil Engineering, Texas A&M Univ., College Station, TX 77843.