Annex OrbisFMCSA · 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.
This is the last completed report. Source data has changed or a source check is overdue or unsuccessful; the report will refresh after successful indexing.
Recorded violations13,571,170
Out-of-service violations2,411,961
Violation codes2,379
All violation codes
Highest OOS count first. Codes with no recorded OOS occurrences appear last.
| Violation code | Description | OOS occurrences | All occurrences | Share of all OOS |
|---|---|---|---|---|
| 172.328B-HMM | HM (Markings) - Failing to mark a cargo tank transporting Class 2 with proper shipping name/appropriate common name as required | 0 | 60 | 0.0% |
| 172.328C | Not marked with QT or NQT on MC330 or MC331 cargo tank | 0 | 27 | 0.0% |
| 172.328C-HMM | HM (Markings) - Failing to mark a MC 330/331 cargo tank with QT/NQT as required | 0 | 41 | 0.0% |
| 172.328D | Fail to mark manual remote shutoff device with Emergency Shutoff | 0 | 1,653 | 0.0% |
| 172.328E | Fail to mark Non Odorized LPG on cargo tank | 0 | 12 | 0.0% |
| 172.328E-HMM | HM (Markings) - Failing to mark a cargo tank containing liquefied petroleum gas with NOT/NON-ODORIZED marking as required | 0 | 16 | 0.0% |
| 172.330A2-HMM | HM (Markings) - Failing to mark a multi-unit tank car tank with proper shipping names/ID numbers as required. | 0 | 1 | 0.0% |
| 172.330B-HMM | HM (Markings) - Failing to a mark motor vehicle transporting multi-unit tank car tank with ID numbers as required | 0 | 1 | 0.0% |
| 172.330C | No NON-ODORIZED entry for LPG on tank cars | 0 | 1 | 0.0% |
| 172.331A-HMM | HM (Markings) - Failing to provide ID numbers on other bulk package(s) as required | 0 | 2 | 0.0% |
| 172.331B | Offeror fail to affix ID Numbers on other bulk packages | 0 | 2 | 0.0% |
| 172.331C-HMM | HM (Markings) - Failing to mark a motor vehicle transporting other bulk package(s) with ID numbers as required | 0 | 25 | 0.0% |
| 172.332B-HMM | HM (Markings) - Failing to display identification numbers on orange panel as required. | 0 | 28 | 0.0% |
| 172.334A-HMM | HM (Markings) - Prohibited display of ID number on Class 7/Class 1/Dangerous/subsidiary hazard placard | 0 | 6 | 0.0% |
| 172.334F-HMM | HM (Markings) - Failing to display orange panel in proximity to the placard as required. | 0 | 2 | 0.0% |
| 172.334G-HMM | HM (Markings) - Displaying ID number marking not to specification. | 0 | 10 | 0.0% |
| 172.400A1-HML | HM (Labeling) - Non-bulk package not labeled as required. | 0 | 586 | 0.0% |
| 172.400A2-HML | HM (Labeling) - Bulk, other than cargo tank, portable tank, or tank car, package not labeled as required. | 0 | 48 | 0.0% |
| 172.400A3-HML | HM (Labeling) - Portable tank less than (1000 gallons) capacity, not labeled as required. | 0 | 39 | 0.0% |
| 172.400A5-HML | HM (Labeling) - Overpack/freight container/unit load device, less than 640 cubic feet, not labeled as required. | 0 | 17 | 0.0% |
| 172.400AA1-HML | HM (Labeling) - CGA C-7 Appendix A marking - not marked legibly and durably - (failing to meet labeling exception). | 0 | 35 | 0.0% |
| 172.401 | Prohibited labeling | 0 | 64 | 0.0% |
| 172.401A-HML | HM (Labeling) - Affixing label to a non-HM package/container | 0 | 60 | 0.0% |
| 172.401B-HML | HM (Labeling) - Displaying a marking that could be confused with a HM label. | 0 | 14 | 0.0% |
| 172.402A | No label for subsidiary hazard | 0 | 54 | 0.0% |
| 172.402A-HML | HM (Labeling) - Failing to label for a subsidiary hazard as required | 0 | 12 | 0.0% |
| 172.402B-HML | HM (Labeling) - Failing to display hazard class or division on label. | 0 | 7 | 0.0% |
| 172.402F | Subsidiary labeling for Division 2.2 materials | 0 | 1 | 0.0% |
| 172.402G-HML | HM (Labeling) - Failing to display additional labels specified for Division 2.3 material as required | 0 | 1 | 0.0% |
| 172.403A | No RAM label | 0 | 2 | 0.0% |
| 172.403B | Wrong category RAM label | 0 | 6 | 0.0% |
| 172.403B-HML | HM RAM (Labeling) - Failing to display appropriate category label on Class 7 material. | 0 | 1 | 0.0% |
| 172.403D-HML | HM RAM (Labeling) - Failing to display empty label on Class 7 material as required | 0 | 1 | 0.0% |
| 172.403F | RAM package 2 labels on opposite sides | 0 | 7 | 0.0% |
| 172.403G | Failed to label RAM properly | 0 | 25 | 0.0% |
| 172.403G2 | Class 7 label : no activity or activity not in SI units | 0 | 9 | 0.0% |
| 172.403G2-HML | HM RAM (Labeling) - Failing to display activity (SI units) on Class 7 material on labels as required. | 0 | 1 | 0.0% |
| 172.403G3-HML | HM RAM (Labeling) - Failing to display transport index on Class 7 material labels as required | 0 | 1 | 0.0% |
| 172.403H | RAM label overpack requirements | 0 | 1 | 0.0% |
| 172.404A | Mixed package not properly labeled | 0 | 1 | 0.0% |
| 172.404A-HML | HM (Labeling) - Failing to display label for mixed packaging/outside container/overpack | 0 | 6 | 0.0% |
| 172.404B-HML | HM (Labeling) - Failing to display label on consolidated packages/outside container/overpack. | 0 | 4 | 0.0% |
| 172.406C | Multiple label placement not as required | 0 | 4 | 0.0% |
| 172.406C-HML | HM (Labeling) - Failing to display multiple labels as required. | 0 | 5 | 0.0% |
| 172.406D | Label not on contrasting background or no border | 0 | 4 | 0.0% |
| 172.406D-HML | HM (Labeling) - Failing to display label on contrasting background or no border. | 0 | 5 | 0.0% |
| 172.406E | Failed to display duplicate label as required | 0 | 7 | 0.0% |
| 172.406E-HML | HM (Labeling) - Failing to display duplicate label as required. | 0 | 4 | 0.0% |
| 172.406F | Label obscured by marking or attachment | 0 | 31 | 0.0% |
| 172.406F-HML | HM (Labeling) - Failing to clearly display label as required. | 0 | 54 | 0.0% |
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 ↗