NewsIndustry NewsEnglishFleet SafetyViolations - HazmatHazmat SafetyHazmat: HighwayFocus AreaIn-Depth ArticleEnforcement - DOTRoadside InspectionsTransportationUSA
Top 20 hazmat violations of 2025
2026-02-04T06:00:00Z
Shipping papers, placards, and cargo securement dominated the list of reasons drivers received hazardous materials (hazmat or HM) violations during roadside inspections in 2025.
Out of 3.1 million roadside inspections last year, there were 35,700 hazmat violations, and 26 percent of those resulted in an out-of-service (OOS) order. Being familiar with the most common hazmat violations can help drivers and motor carriers take steps to avoid them.
The following table lists the top 20 hazmat violations cited during roadside inspections in 2025, including:
- The percentage of those violations that resulted in an OOS order; and
- The severity points assigned to each violation in the Compliance, Safety, Accountability (CSA) system.
| Rank | Code | Description | Violations | OOS | CSA |
| 1 | 172.504, 177.823(a) | Placards or ID numbers missing or incorrect | 3,837 | 54% | 5 |
| 2 | 177.834(a) | Inadequate HM cargo securement | 3,561 | 99% | 10 |
| 3 | 172.201, 172.202 | HM shipping paper prepared improperly | 2,463 | 1% | 3 |
| 4 | 177.817(a) | No HM shipping paper | 2,439 | 68% | 3 |
| 5 | 172.516(c) | Placard damaged or improperly displayed | 2,348 | 0% | 5 |
| 6 | 177.817(e) | HM shipping papers inaccessible | 1,906 | 2% | 3 |
| 7 | 107.620(b) | No HM Registration Number in vehicle | 1,819 | 0% | 0 |
| 8 | 172.502(a) | Prohibited placarding | 1,352 | 12% | 5 |
| 9 | 177.801 | Failing to properly prepare an HM shipment, or transporting forbidden HM | 1,306 | 19% | 2-10 |
| 10 | 172.600(c) | No emergency response information immediately available | 1,153 | 0% | 3 |
| 11 | 172.328(d) | Manual remote shutoff device improperly marked | 923 | 0% | 5 |
| 12 | 172.602(c) | Improper maintenance/ accessibility of Emergency Response information | 916 | 0% | 3 |
| 13 | 173.24(b) | Leaking HM packaging | 786 | 91% | 10 |
| 14 | 172.602(a) | Incomplete or missing emergency response information | 748 | 0% | 3 |
| 15 | 172.200(a) | No/improper shipping paper from offeror | 713 | 18% | 3 |
| 16 | 180.415 | Improper cargo tank test information | 608 | 0% | 7 |
| 17 | 172.400(a) | Packaging not properly labeled | 443 | 0% | 5 |
| 18 | 172.332 | Failing to display ID numbers | 428 | 17% | 5 |
| 19 | 172.506(a) | Failure to affix placards | 345 | 10% | 5 |
| 20 | 107.608 | Failing to register with PHMSA | 302 | 0% | 0 |




















































