FMCSA · Safety Measurement System register · Iowa
Unsafe Driving in Iowa
- 21,925Violations recorded
- 25,803Registered carriers in the state
- 74,375State inspections addressing it
Moving violations while operating a commercial motor vehicle -- speeding, following too close, an improper lane change, reckless driving. Iowa carries 21,925 violations in this category, out of 649,893 recorded nationally, which places it 6 of 51 jurisdictions the register covers. Its share of the national figure is 0.034 as a fraction, banked by the build rather than turned into a ratio here. Nationally, a violation in this category carries an average severity weight of 5.55.
The state’s carriers by fleet size
- 1 power unit 13,594
- 2 to 5 power units 8,703
- 6 to 20 power units 2,156
- 21 to 100 power units 566
- 101 to 1,000 power units 106
- 1,000 or more power units 12
Other categories recorded in Iowa
- Controlled Substances/Alcohol in IA 592
- Crash Indicator in IA 3,675
- Driver Fitness in IA 5,712
- Hazardous Materials Compliance in IA 361
- Hours-of-Service Compliance in IA 24,242
- Vehicle Maintenance in IA 62,002
Unsafe Driving across every jurisdiction → Every category in Iowa →
Figures from the federal source files: EPA’s ECHO downloads, CMS provider files and the FMCSA census.
Counts from FMCSA SMS input files on data.transportation.gov: kjg3-diqy (Motor Carrier Census, 2,122,441 rows), rbkj-cgst (Inspection, 5,834,148), 8mt8-2mdr (Violation, 6,808,260), 4wxs-vbns (Crash, 255,582), p2mt-9ige (Out of Service Orders, 399,600); SoQL aggregates fetched 2026-09-16. The rank is taken over the jurisdictions this desk publishes, and the national figure beside it is the register’s own total for the category.
What this page shows
The page covers Unsafe Driving in Iowa in the Velarion Records public-records register, with 21,925 violations recorded, 25,803 registered carriers in the state, and 74,375 state inspections. It lists Iowa's 21,925 violations out of 649,893 recorded nationally, placing it 6 of 51 jurisdictions, with a national average severity weight of 5.55 for this category. The state's carriers by fleet size are 13,594 for 1 power unit, 8,703 for 2 to 5 power units, 2,156 for 6 to 20 power units, 566 for 21 to 100 power units, 106 for 101 to 1,000 power units, and 12 for 1,000 or more power units.