1. Grad. Student Res., Inst of Transp. Studies, Univ. of California, 401 Berkeley Ave., Suite 330, Irvine, CA 92717‐3600
2. Assoc. Prof. of Civ. Engrg., Inst. of Transp. Studies, Univ. of California, Irvine, CA
3. Retired; formerly Supervising Transp. Engr., Office of Proj. Plng. and Design, Caltrans, 650 Howe Ave., Sacramento, CA 95825