Agencies Surveyed in 2004, 2005, and 2006 for Memphis, TNFreeway Management Tennessee Department of Transportation 2004 2005 2006Transit Management Memphis Area Transit Authority 2004 2005 2006Arterial Management Memphis City 2004 2005 2006Shelby County 2004 2005 2006Fire Rescue Memphis City Fire Department 2004 2005 - Did not respond in 2006 Law Enforcement Memphis City Police Department 2004 2005 2006Tennessee State Highway Patrol District 4 2004 2005 2006MPO Memphis Metropolitan Planning Organization 2004 - Not surveyed in 2005 or 2006