What 392.22A means in plain language
When your truck stops on the roadside—whether for a breakdown, mechanical issue, or inspection—federal safety rules require you to display warning devices so other drivers know there's a disabled vehicle ahead. These devices are typically reflective triangles or flares that you must place at specific distances from your truck.
Code 392.22A is cited when an inspector finds that your stopped truck either lacks these warning devices entirely or failed to display them properly. This isn't about having them on board; it's about actually placing them on the road surface when your vehicle is stopped or disabled.
What our enforcement data actually shows
Across 13 million roadside inspections in our database, 392.22A ranks #779 out of 3,036 FMCSR codes by citation volume. We've recorded 794 all-time citations for this violation, with 86 citations in the last 12 months and 16 in the last 90 days.
The enforcement picture is straightforward: none of the 794 citations resulted in an out-of-service order. The OOS rate is 0.0%. This contrasts sharply with the all-FMCSR average OOS rate of 31.4%, meaning 392.22A is treated as a correctable violation rather than an immediate safety removal. Inspectors cite it but allow you to continue operations.
Monthly enforcement has varied. September 2025 saw a spike with 17 citations, while recent months (January through March 2026) have averaged around 6 citations per month. The trend suggests this violation is consistently cited but remains relatively uncommon compared to other vehicle maintenance codes.
Who gets cited most
Our inspection records show Iowa leads in recent enforcement, with 23 citations over the last 180 days and a 0.0% OOS rate. Texas follows with 4 citations, also at 0.0% OOS. New Mexico recorded 1 citation in the same period. All three states maintain zero out-of-service placements, reflecting the national pattern.
Among carriers, our data shows fleets such as Forza Transportation Services Inc (USDOT 2490721) with 5 all-time citations and Schneider National Carriers Inc (USDOT 264184) with 4 citations for this code. These numbers reflect exposure to roadside inspections rather than systemic fleet safety issues, given the low OOS rate across the board.
How severe is this compared to similar codes
Within the Vehicle Maintenance category, 392.22A sits at the lower end of enforcement severity. Compare it to 393.9(a)—Inoperable required lamps—which has logged 660,737 citations with a 15.4% OOS rate, or 396.3(a)(1)—Inspection/repair/maintenance general issues—with 236,919 citations and a 45.3% OOS rate. Both of those codes result in out-of-service orders far more frequently.
Meanwhile, peer codes like 396.17C-PI (No proof of periodic inspection) have generated 212,081 citations with a 0.0% OOS rate, identical to 392.22A. And 393.11 (Lighting devices/reflectors) shows 179,734 citations but only a 1.8% OOS rate. The data indicates that warning device violations, while cited, are not treated as disqualifying defects.
How to avoid it
The solution is procedural and straightforward:
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Pre-trip inspection ritual: Before every shift, verify that your warning triangles or flares are accessible, not buried under cargo or equipment. Know exactly where they are so you can deploy them within seconds if you need to stop.
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Immediate deployment on any stop: The moment you pull over—whether for a breakdown, roadside inspection, or rest—place your warning devices at the required distance (typically 10 feet, 100 feet, and 200 feet from your vehicle, depending on road type and conditions). Do not wait for an inspector to arrive.
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Check device condition: Reflective triangles can fade, and flares can expire or fail to ignite. Replace worn or expired devices every season or per manufacturer guidance. A citation is more likely if your devices don't meet visibility standards.
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Know the rules for your route: Conditions vary by state and road type (highway vs. residential). Review the specific placement requirements for interstate versus state routes you travel regularly.
Our data also shows that 392.22A often appears alongside 392.22B (Failure to place or improper placement of warning devices on the road surface) and fatigue-related codes like 392.2PK in the same inspection. This pattern suggests that when inspectors find one warning device issue, they often find placement or driver alertness issues together. Staying rested and methodical about your vehicle setup reduces the likelihood of any of these citations.
Finally, vehicle makes like Utility, Wabash, and Great Dane dominate our citation records for this code, reflecting the prevalence of these trailers in the fleet. Regardless of your equipment, the practice is identical: equip, check, and deploy.