Iowa Motor Vehicle Crashes 1925 to 2014

Iowa motor vehicle crashes spreadsheet, years 1925-2014

Iowa Fatal Crashes Associated with Key Emphases - January thru December, April 15, 2015

Iowa Fatal Crashes Associated with Key Emphases - January thru December,by Iowa Dept. of Transportation - Office of Traffic and Safety

Iowa Vehicle Registrations Statistics, January 1, 1998

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

Iowa Vehicle Registrations Statistics, January 1, 1999

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

2000 Vehicle Registrations Summary, May 23, 2001

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

2001 Vehicle Registrations Summary, June 7, 2002

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

2004 Vehicle Registrations Summary, December 22, 2005

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

2005 Vehicle Registrations Summary, March 5, 2008

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

2009 Vehicle Registrations Summary, June 24, 2010

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

2010 Vehicle Registrations Summary, March 23, 2011

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

2011 Vehicle Registrations Summary, April 30, 2012

Iowa vehicle registration statistics by county and vehicle type produced by Iowa Department of Transportation

Project Evaluation: Iowa Motor Vehicle Fuel Reduction Program, 1989

The results of a study which evaluates the Iowa Motor Vehicle Fuel Reduction Program have been summarized and described in this report. The Iowa Motor Vehicle Fuel Reduction Program was designed to demonstrate fuel savings through traffic signal modernization projects and provide direct benefits to motorists in Iowa.

Vehicle Occupancy, 1981

The purpose of the survey is to monitor trends in vehicle occupancy. These trends may reflect changes in the driving habits of the general public caused by fuel shortages and economic conditions.