Inspection insights by state
Iowa truck inspection & out-of-service stats
FMCSA roadside inspection data · Aug 2023 – Oct 2026
104,661
Roadside inspections
25th of 51 states
252,925
Total violations
2.42 per inspection
33,172
Out-of-service
31.7% of inspections
13.1%
OOS rate
49th-highest of 51
How Iowa compares
Between Aug 2023 – Oct 2026, Iowa logged 104,661 roadside inspections and 252,925 violations, of which 33,172 were serious enough to place a driver or vehicle out of service. That’s an out-of-service rate of 13.1% of all violations — 4.6 points below the national average of 17.7%. By inspection volume, Iowa ranks 25th of 51 states.
Driver
121,338 violations · 10,610 OOS
121,338 violations · 10,610 OOS
Vehicle
131,518 violations · 22,562 OOS
131,518 violations · 22,562 OOS
Hazmat
1,210 violations · 665 OOS
1,210 violations · 665 OOS
Keep going
Inspection stats by state
AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming
Source: FMCSA / U.S. DOT Vehicle Inspection File (roadside inspections reported by state and federal enforcement). Figures cover Aug 2023 – Oct 2026 and update monthly. Informational only — not legal advice.