FMCSA · Safety Measurement System register · Iowa
Vehicle Maintenance in Iowa
- 62,002Violations recorded
- 25,803Registered carriers in the state
- 34,331State inspections addressing it
Brakes, lights, tyres and the rest of the mechanical condition of the vehicle. Iowa carries 62,002 violations in this category, out of 5,090,851 recorded nationally, which places it 20 of 51 jurisdictions the register covers. Its share of the national figure is 0.012 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 3.8.
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
- Unsafe Driving in IA 21,925
Vehicle Maintenance 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 prints the FMCSA Safety Measurement System register for Iowa Vehicle Maintenance in Iowa, with 62,002 violations recorded and 25,803 registered carriers in the state. It lists 34,331 state inspections and Iowa's carriers by fleet size, from 13,594 with 1 power unit to 12 with 1,000 or more power units. Iowa carries 62,002 violations in this category, out of 5,090,851 recorded nationally, and a violation in this category carries an average severity weight of 3.8 nationally.