A Disaggregate Analysis of the Health Impacts of Transportation System and Urban Design Mehran Fasihozaman Langerudi Ph.D. Student Department of Civil and Materials Engineering University of Illinois at Chicago 842 W. Taylor Street Chicago, IL 60607-7023 Tel: (312) 996-0962 Fax: (312) 996-2426 Email: fasihozaman.mehran@gmail.com Abolfazl (Kouros) Mohammadian, Ph.D. Associate Professor Department of Civil and Materials Engineering University of Illinois at Chicago 842 W. Taylor Street Chicago, IL 60607-7023 Tel: (312) 996-9840 Fax: (312) 996-2426 Email: kouros@uic.edu P.S. Sriraj, Ph.D. Director, Metropolitan Transportation Support Initiative (METSI) and Research Assistant Professor Urban Transportation Center University of Illinois at Chicago 412 S. Peoria St, Suite 340 Chicago, IL 60607 Tel: (312) 413-7568 Email: sriraj@uic.edu Paper submitted for: 4 th Transportation Research Board Conference on Innovations in Travel Modeling (ITM) April 30th – May 2nd, 2012 in Tampa, Florida