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

2012 Vehicle Registrations by County, January 2013

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

2013 Vehicle Registrations by County, October 16, 2014

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

2014 Vehicle Registrations by County, May 20, 2015

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

2015 Vehicle Registrations by County, April 2, 2016

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

Fatal Crashes & Fatalities on Iowa Rural Interstate System 1970-2014, July 24, 2015

Iowa fatal crashes and fatalities for the state of Iowa on rural interstate system from 1970-2014.

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.

FY 2016 Equipment and Vehicle Revolving Fund report

The Equipment and Vehicle Revolving Fund report covers all equipment and vehicle purchases through the highway materials and equipment revolving fund during FY 2016.