1. Senior Research Scientist, Virginia Transportation Research Council, 530 Edgemont Rd., Charlottesville, VA 22903.
2. L.A. Lacy Distinguished Professor of Engineering, Dept. Civil Engineering, Univ. of Virginia, Charlottesville, VA 22903.
3. Graduate Research Assistant, Virginia Transportation Research Council, 530 Edgemont Rd., Charlottesville, VA 22903.
4. Transportation Planner, Renaissance Planning Group, 100 East Pine St., Suite 401, Orlando, FL 32801.