What 178.337-17(c) means in plain language
178.337-17(c) is a hazardous materials regulation that addresses specific requirements for how hazmat loads must be secured and managed during transport. The regulation focuses on ensuring that hazardous materials are properly contained and restrained so they cannot shift, leak, or create safety hazards during normal vehicle operation or sudden stops.
If you were cited for this violation, an inspector determined that your hazmat cargo was not adequately secured, restrained, or managed according to DOT standards. This could involve improper blocking, bracing, positioning, or failure to use required securing devices. The violation is serious because unsecured hazmat can cause spills, fires, explosions, or environmental contamination—especially in an accident or hard braking event.
What our enforcement data actually shows
Across our 13 million+ inspection records, 178.337-17(c) has been cited only 1 time in all-time history, with 0 citations in the last 12 months and 0 in the last 90 days. The single citation on record was not placed out of service, resulting in a 0.0% out-of-service rate for this code.
This rarity is notable: 178.337-17(c) ranks #2796 of 3,036 FMCSR codes by citation volume. For context, the all-FMCSR average out-of-service rate is 31.4%, meaning inspectors typically place drivers and vehicles OOS in roughly one of every three violations. The 0.0% OOS rate for this code suggests that when cited, the violation was correctable without removing the vehicle from service—though this conclusion is based on extremely limited data (only one incident).
Who gets cited most
Because only 1 citation exists in our entire database, state and carrier patterns are not statistically meaningful. Our data shows that All Valley Propane Services LLC (USDOT 3225620) received 1 citation for this code. Given the single-incident sample, no reliable geographic or fleet-level trends can be established.
How severe is this compared to similar codes
Hazmat securing and loading violations exist across a spectrum of enforcement intensity. Peer codes in the hazardous materials category reveal sharp contrasts:
- 177.834A-HMC (General loading/unloading hazmat) and 177.834(a) (General loading/unloading hazmat) have generated 3,954 and 3,839 citations respectively, with out-of-service rates of 99.2% and 97.9%—meaning inspectors nearly always remove vehicles from service for these violations.
- 177.817(a) (Placarding violation) has 2,274 citations and a 75.1% OOS rate, showing high severity.
- 172.602(c)(1) (Maintenance/accessibility of Emergency Response information) has 1,464 citations but only 0.0% OOS rate, matching 178.337-17(c)'s observed rate.
The dramatic difference between general loading/unloading codes (99% OOS) and 178.337-17(c) (0% OOS in our single case) suggests that while improper securing is a legitimate concern, the specific instance recorded may have been resolved quickly or deemed lower-risk than structural loading failures.
How to avoid it
To prevent a 178.337-17(c) citation, prioritize hazmat securing at every pre-trip inspection and load check:
- Inspect all blocking and bracing materials before departure. Verify that wood blocks, airbags, straps, chains, and headers are in good condition and properly positioned to prevent cargo shift during braking, acceleration, or turns.
- Confirm load placement and weight distribution. Hazmat must be centered and secured so it cannot roll, slide, or tip. Check that the load height and positioning comply with vehicle specifications.
- Test all securing devices. Tug straps, chains, and restraints by hand to confirm they are tight and will not loosen during transit. Loose hardware is a common inspector finding.
- Review your load plan against DOT hazmat shipping papers. Match the commodity type, quantity, and packaging to the securing method required for that material. Different hazmat classes have different securing rules.
- Check vehicle condition relevant to load stability. Suspension damage, tire wear, or alignment issues can increase cargo shift during stops. Address mechanical defects before loading hazmat.
- Document your pre-trip securing check. Note the date, time, blocking/bracing condition, and restraint status. This record protects you if an inspector questions compliance.
Because this violation is extremely rare in enforcement records, most citations likely arise from flagrant or obvious securing failures rather than minor oversights. Diligent pre-trip hazmat securing checks and attention to load stability will substantially reduce your risk.