1. Professor, Dept. of City and Metropolitan Planning, Univ. of Utah, 375 S. 1530, E. Salt Lake City, UT 84103 (corresponding author).
2. Senior Transportation Planner, Lane Council of Governments, 859 Willamette St., Suite 500, Eugene, OR 97401; formerly, Lead Modeler and Analyst/GIS Specialist, Urban Design 4 Health, Inc., P.O. Box 85508, Seattle, WA 98145.
3. Associate Professor, Community and Regional Planning, Univ. of Texas at Austin, 1 University Station, B7500, Austin, TX 78712.
4. Principal and Chief Technical Officer, Fehr & Peers, 100 Pringle Ave., Suite 600, Walnut Creek, CA 94596.
5. Transportation Engineer, Fehr & Peers, 100 Pringle Ave., Suite 600, Walnut Creek, CA 94596.