Agencies Surveyed in 2004 and 2006 for Des Moines, IA(Medium cities were not surveyed in 2005.)Click on the agency name to view the 2004 survey responses.Freeway Management Iowa DOT 2004 2006Arterial Management Des Moines City Traffic and Transportation - Did not respond in 2004 2006Polk County Public Works 2004 2006Fire Rescue Des Moines Fire Department 2004 2006Law Enforcement Des Moines Police Department 2004 2006Polk County Sheriff Department 2004 2006MPO Des Moines Area MPO 2004 - Not surveyed in 2005 or 2006