1. Ph.D. Student, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
2. Assistant Professor of Research, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
3. Associate Vice Chancellor and Associate Dean of Research, Pennsylvania State Univ., State College, PA.
4. Professor, Dept. of Industrial Engineering, Univ. of Texas at Arlington, Arlington, TX.
5. Executive Director−Auxiliary Services, Park and Transportation, Univ. of Texas at Arlington, Arlington, TX.