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FMCSA · SAFETY STATISTICS

What puts trucks and drivers out of service?

The most frequent out-of-service violations in our indexed FMCSA inspection records, ranked by violation code.

Inspection coverage: – Report refreshed: Violation source updated:
Recorded violations13,594,393
Out-of-service violations2,416,602
Violation codes2,379

All violation codes

Highest OOS count first. Codes with no recorded OOS occurrences appear last.

All violation codes
Violation codeDescriptionOOS occurrencesAll occurrencesShare of all OOS
180.352A-HMTMCHM (Testing) - Failing to comply with requirements for retest and inspection of IBCs.040.0%
180.352BRigid IBC retest date marking0120.0%
180.352EIBC retest date marking0140.0%
180.352FFailure to mark IBC periodic retest date030.0%
180.405JCargo tank withdrawal certification0100.0%
180.415-HMTMCHM (Testing) - Failing to properly mark cargo tank test dates as required01,1490.0%
180.416F2-HMTMCHM (Testing) - Failing to mark new/repaired delivery hose assembly with month and year of pressure test.010.0%
180.416GDamaged liquid discharge hose020.0%
180.416G-HMTMCHM (Testing) - Failing to comply with delivery hose assembly/piping rejection criteria.010.0%
180.519DOT 106 and 110 Multi-unit tank car tank retest date markings020.0%
180.519-HMTTCTHM (Testing) - Failing to comply with periodic retest and inspection of multi-unit tank car tanks0110.0%
180.605KTest date marking0320.0%
180.605K-HMTMCHM (Testing) - Failing to properly mark the test date on a portable tank.0140.0%
374.201AFailure to prohibit smoking on passenger carrying vehicle020.0%
374.201B-PCPassenger Carrier - Failing to post/announce non smoking/no smoking regulations.0110.0%
374.313AFailure to maintain a reasonable temperature on passenger carrying vehicle010.0%
374.313BBus - Failure to maintain restroom010.0%
374.313B-PCPassenger Carrier - Failing to maintain restroom on a bus.0130.0%
374.313CBus - Not maintained in clean working order010.0%
374.313C-PCPassenger Carrier - Failing to maintain bus in clean with all required items in good working order090.0%
374.317Failure to provide Bus ID or Driver ID to passengers010.0%
374.317-PCPassenger Carrier - Failing to provide bus ID and/or driver ID to passenger(s)0160.0%
375.505CHousehold Goods motor carrier operating without bill of lading on board CMV0430.0%
383.111Operating a commercial motor vehicle without the required knowledge of general areas0900.0%
383.71CCDL holder failing to apply or transfer with new state of domicile within 30 days of establishing his/her new domicile0850.0%
385.301AFailing to register with FMCSA to obtain a USDOT number0170.0%
385.403No HM Safety Permit090.0%
385.403-HMAMCHM (Administrative) - Motor Carrier failing to obtain an HM safety permit as required0420.0%
385.415A1No Hazardous Materials Safety Permit in vehicle0280.0%
385.415A-HMRITHMHM (Administrative) - Failing to provide required information when transporting hazardous materials requiring a hazardous materials safety permit0440.0%
386.83CFailing to comply with a Failure to Pay Order to Cease Operations030.0%
387.301BCarrier - Household good motor carriers shall not engage in interstate or foreign commerce without proof of public liability and property damage insurance as requ03100.0%
387.303B4ICarrier - Foreign domiciled motor carrier permit/require a driver to operate a CMV with no copy of certificate of registration03,3860.0%
387.307Property Broker - No evidence of bond or trust fund agreement030.0%
387.31ACarrier - Motor carrier permit/require a driver to operate a CMV transporting passengers without minimum levels of financial responsibility as required in 49 CFR0820.0%
387.403AFreight forwarder - No evidence of cargo insurance0190.0%
387.403BFreight Forwarder - No evidence of public liability and property damage insurance0270.0%
387.7ANo proof of financial responsibility - Freight Carrier0240.0%
390.19Motor Carrier failed to file required biennial update of MCS-150 as required01,3930.0%
390.19A1Motor Carrier failed to file required biennial update of MCS-150 as required.0430.0%
390.19A3Intermodal Equipment Provider failed to file required biennial update of MCS-150C as required02780.0%
390.19TAMotor Carrier or Intermodal Equipment Provider must file Form MCS-150, Form MCS-150B or Form MCS-150C with FMCSA before beginning operations01,8860.0%
390.19TGFiling an MCS-150 with false or misleading information.02,4990.0%
390.201BI-MCCarrier - Motor carrier failing to file Unified Registration System online application with SYSTEM.03250.0%
390.21NO DOT # MARKING AND/OR NAME/CITY/STATE030.0%
390.21EImproper marking for a rented CMV under a rental agreement not exceeding 30 days04970.0%
390.21FFailure to properly mark a leased or interchanged passenger-carrying commercial motor vehicle0660.0%
390.21GDrive-Away Service failing to mark vehicle with Legal Name or Trade Name, and/or USDOT Number0140.0%
390.21G2IEP offering/interchanging intermodal equipment not identified as required.0450.0%
390.21G3IEP failing to mark/identify equipment with "USDOT" Number as required.01400.0%

How to read this report

Each indexed violation identity counts once. Only a violation explicitly marked out of service contributes to the OOS count. Repeated copies are counted once; conflicting code or OOS values are excluded. Unknown flags remain in all occurrences but not in the OOS count. Missing codes appear as “Code not reported”.

These are violation counts, not unique inspections, trucks, drivers, or carrier-wide out-of-service orders. Coverage describes the currently indexed inspection dataset, not all historical FMCSA records. Frequencies do not establish crash causation or a carrier’s safety rating.

Unknown OOS flags: 112 · Conflicting records excluded: 0

FMCSA source data ↗