Explore statistics and research studies from the Iowa DOT, including crash statistics, seat belt surveys, and more.
Driver Statistics
List items for Driver Statistics
- Iowa daily traffic fatality count
- Most current 2024 fatality report (updated 05/28/2025)
- Distracted drivers using cell phone/other device crashes - 2001 to 2024
- Fatal crashes in Iowa – 1988 to 2023
- Fatal crashes on Iowa rural interstates - 1970 to 2021
- History of Iowa motor vehicle crashes - 1925 to 2022
- Holiday traffic fatalities - 1962 to 2023
- Iowa interstate crashes - 2008 to 2022
- Licensed Iowa drivers by age and sex - 2007 to 2024
- Licensed Iowa drivers by county - 2009 to 2018
- Motorcycle fatalities in Iowa by month - 2009 to 2023
- Motorcycle license and crash history in Iowa - 1960 to 2018
- OWI revocations in Iowa by county - 2004 to 2023
- Failure to stop for school bus convictions by county – 2013 to 2022
- Seat belt convictions by county – 2013 to 2022
- Speeding convictions by county – 2013 to 2022
- Yearly fatalities by county - 2013 to 2022
Vehicle & Registration Statistics
List items for Vehicle & Registration Statistics
- 2024 ERT transactions by county (through December 31)
- 2024 ERT transactions by county (through June 30, 2024)
- 2023 ERT transactions by county (through December 31)
- 2023 ERT transactions by county (through June 30)
- 2022 ERT transactions by county
- 2021 ERT transactions by county
- 2020 ERT transactions by county