1. Research Associate, Louisiana Transportation Research Center, Louisiana State Univ., Baton Rouge, LA 70808.
2. Research Associate Professor, Louisiana Transportation Research Center, Louisiana State Univ., Baton Rouge, LA 70808 (corresponding author).
3. Boyd Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
4. Execution Planning Engineer, ExxonMobil Development Company, Houston, TX 77060; Former Graduate Student, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.