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 (111.95 KB) .pdf
- Most current 2025 fatality report (updated 02/24/2026) (111.6 KB) .pdf
- Distracted drivers using cell phone/other device crashes - 2001 to 2024 (79.96 KB) .pdf
- Fatal crashes in Iowa – 1988 to 2024 (359.21 KB) .pdf
- Fatal crashes on Iowa rural interstates - 1970 to 2021 (44.12 KB) .pdf
- History of Iowa motor vehicle crashes - 1925 to 2024 (238.34 KB) .pdf
- Holiday traffic fatalities - 1962 to 2025 (120.32 KB) .pdf
- Iowa interstate crashes - 2008 to 2022 (101.38 KB) .pdf
- Licensed Iowa drivers by age and sex - 2007 to 2024 (132.88 KB) .pdf
- Licensed Iowa drivers by county - 2009 to 2018 (166.21 KB) .pdf
- Motorcycle fatalities in Iowa by month - 2009 to 2023 (197.09 KB) .pdf
- Motorcycle license and crash history in Iowa - 1960 to 2018 (65.41 KB) .pdf
- OWI revocations in Iowa by county - 2005 to 2024 (223.84 KB) .pdf
- Failure to stop for school bus convictions by county – 2015 to 2024 (127.64 KB) .pdf
- Seat belt convictions by county – 2015 to 2024 (129.27 KB) .pdf
- Speeding convictions by county – 2013 to 2022 (133.54 KB) .pdf
- Yearly fatalities by county - 2015 to 2024 (103.55 KB) .pdf
Vehicle & Registration Statistics
List items for Vehicle & Registration Statistics
- 2025 second half EV supplemental fee report (114.48 KB) .pdf
- 2025 first half EV supplemental fee report (114.38 KB) Archived .pdf
- 2024 second half EV supplemental fee report (113.24 KB) .pdf
- 2024 first half EV supplemental fee report (173.06 KB) .pdf
- 2023 second half EV supplemental fee report (173.22 KB) .pdf
- 2024 ERT transactions by county (through December 31) (166.6 KB) .pdf
- 2024 ERT transactions by county (through June 30, 2024) (219.17 KB) .pdf
- 2023 ERT transactions by county (through December 31) (247.35 KB) .pdf
- 2023 ERT transactions by county (through June 30) (162.13 KB) .pdf
- 2022 ERT transactions by county (170.97 KB) .pdf
- 2021 ERT transactions by county (169.88 KB) .pdf
- 2020 ERT transactions by county (172.84 KB) .pdf