Inspection insights by state
Iowa truck inspection & out-of-service stats
FMCSA roadside inspection data · Aug 2023 – Aug 2026
105,483
Roadside inspections
25th of 51 states
255,206
Total violations
2.42 per inspection
33,366
Out-of-service
31.6% of inspections
13.1%
OOS rate
49th-highest of 51
How Iowa compares
Between Aug 2023 – Aug 2026, Iowa logged 105,483 roadside inspections and 255,206 violations, of which 33,366 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 — 4.5 points below the national average of 17.6%. By inspection volume, Iowa ranks 25th of 51 states.
Driver
122,932 violations · 10,720 OOS
122,932 violations · 10,720 OOS
Vehicle
132,220 violations · 22,646 OOS
132,220 violations · 22,646 OOS
Hazmat
1,207 violations · 668 OOS
1,207 violations · 668 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 – Aug 2026 and update monthly. Informational only — not legal advice.