1. Ph.D. Student, Dept. of Civil Engineering, Univ. of Kentucky, 382 Raymond Bldg., Lexington, KY 40506-0281.
2. Research Engineer, Kentucky Transportation Center, Univ. of Kentucky, 151D Raymond Bldg., Lexington, KY 40506-0281.
3. Assistant Professor, Construction Engineering and Project Management, Dept. of Civil Engineering, Univ. of Kentucky, 151C Raymond Bldg., Lexington, KY 40506-0281.