What 178.341-5 means in plain language
178.341-5 falls under the hazardous materials transportation rules. This regulation addresses specific requirements for how hazardous materials must be handled, packaged, or transported in compliance with DOT standards. The rule is part of a broader framework ensuring that substances classified as hazardous—whether they're chemicals, gases, liquids, or solids—are managed in ways that protect drivers, the public, and the environment.
If you've been cited for this code, it means an inspector found that your vehicle, load, or handling procedures did not meet the standard for this particular aspect of hazmat transport. The violation could relate to packaging integrity, container markings, segregation requirements, or documentation—depending on the specific circumstances of your inspection.
What our enforcement data actually shows
This code is exceptionally rare in roadside enforcement. Across our 13 million+ inspection records, 178.341-5 has generated only 2 citations in all-time history, with zero citations in the last 12 months and zero in the last 90 days. This ranks 178.341-5 at #2651 out of 3,036 FMCSR codes by citation volume.
None of the 2 drivers cited for 178.341-5 were placed out of service, giving this code a 0.0% out-of-service rate. For context, the all-FMCSR average out-of-service rate is 31.4%, meaning 178.341-5 results in far fewer roadside removals than the typical violation. This suggests that when this code is cited, inspectors generally view it as a documentation or minor procedural issue rather than an immediate safety threat requiring the vehicle to be taken off the road.
Who gets cited most
Our inspection database does not include state-level breakdowns for 178.341-5 citations due to the extremely low enforcement volume. The two all-time citations came from carriers including Diesel Dogs Fuel Service Inc (USDOT 1060895) and Hader Farms Partnership (USDOT 1221715), each with one citation. Both citations involved Kenworth vehicles.
Given the rarity of this violation, there is no meaningful geographic or carrier pattern to report.
How severe is this compared to similar codes
Within the hazardous materials category, 178.341-5 is notably less frequently cited than its peer regulations. For comparison:
- 177.834A-HMC (general loading/unloading hazmat) has generated 3,954 citations with a 99.2% out-of-service rate—among the most serious hazmat violations.
- 177.817(a) (placarding violation) has generated 2,274 citations with a 75.1% out-of-service rate—serious but less universally fatal to roadside compliance.
- 172.602(c)(1) (maintenance/accessibility of emergency response information) has generated 1,464 citations with a 0.0% out-of-service rate, similar to 178.341-5 in that it rarely results in out-of-service placement.
The extremely low citation count for 178.341-5 indicates it either represents a narrowly defined requirement that few violations trigger in practice, or that compliance is exceptionally strong across the industry.
How to avoid it
Because 178.341-5 is so rarely cited, there is limited co-occurring violation data to identify systematic root causes. However, general hazmat transport best practices will protect you:
- Verify hazmat certification and training. Ensure your hazmat endorsement is current and that you understand the placarding, packaging, and segregation rules for the specific materials you are transporting.
- Conduct a thorough pre-trip inspection of all hazmat packaging and containers. Look for damage, leaks, deterioration, or missing placards. If a container is compromised, do not transport it.
- Confirm all documentation is complete and accurate. Shipping papers, bills of lading, and emergency response information must be present, legible, and match the load.
- Double-check placard placement and visibility. Placards must be securely affixed, clean, and visible from a safe distance from all four sides of the vehicle.
- Understand segregation requirements. Some hazmat materials cannot be transported together. Review your load plan before accepting the freight.
- Keep emergency response information accessible. The Safety Data Sheets (SDS) or equivalent emergency contact information must be immediately available to emergency responders.
Given the rarity of this citation, the best strategy is to maintain a high standard of hazmat compliance across all aspects of your operation, not just this one regulation.