392.22A-D — Emergency warning devices not displayed
FMCSA violation code under Vehicle Maintenance. 8,324 events recorded in roadside inspections. Severity weight: 4.
Violation Description
Stopped CMV not equipped with or failing to display required warning devices (triangles/flares).
About This Violation Code
Code 392.22A-D falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 4 (scale 1-10, higher = more severe).
When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.
Regulatory Reference
Federal Motor Carrier Safety Regulations
This violation references 49 CFR 392.22A in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 392.22A-D is most commonly cited (last 180 days)
Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.
Citation Trend (12 months)
Monthly count of 392.22A-D citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 392.22A-D most often (last 180 days)
Often Cited Together
Other violations commonly found on the same inspection (last 90 days)
Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).
Top Carriers Cited
Ranked by frequency • 5,671 carriers total • Page 1 of 227
Top Carriers with 392.22A-D Violations
Showing 25 of 5,671
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | NEW PRIME INC | 3706 | 57 |
| #2 | SWIFT TRANSPORTATION CO OF ARIZONA LLC | 54283 | 34 |
| #3 | MARTEN TRANSPORT LTD | 74432 | 30 |
| #4 | J B HUNT TRANSPORT INC | 80806 | 29 |
| #5 | FORZA TRANSPORTATION SERVICES INC | 2490721 | 24 |
| #6 | CADENCE PREMIER CARGO INC | 1861195 | 20 |
| #7 | FEDERAL EXPRESS CORPORATION | 86876 | 18 |
| #8 | ANNETT HOLDINGS INC | 87409 | 17 |
| #9 | P&S TRANSPORTATION LLC | 1243338 | 16 |
| #10 | UNITED PARCEL SERVICE INC | 21800 | 16 |
| #11 | CRETE CARRIER CORPORATION | 73705 | 16 |
| #12 | PASCHALL TRUCK LINES INC | 105234 | 15 |
| #13 | CRC TRANSPORT LLC | 2360800 | 15 |
| #14 | WESTERN FLYER EXPRESS LLC | 658909 | 14 |
| #15 | TSX TRUCKING INC | 3268655 | 12 |
| #16 | NAVINIX LLC | 2927626 | 12 |
| #17 | RE GARRISON TRUCKING INC | 95610 | 11 |
| #18 | DEALERS CHOICE TRUCKAWAY SYSTEM INC | 255166 | 11 |
| #19 | HEARTLAND EXPRESS INC OF IOWA | 134697 | 11 |
| #20 | MAK LOGISTICS LLC | 1876301 | 11 |
| #21 | AVERITT EXPRESS INC | 36684 | 11 |
| #22 | FREMONT TRANS INC | 2820179 | 11 |
| #23 | BIG LEVEL TRUCKING INC | 721704 | 11 |
| #24 | CLOUDTRUCKS LLC | 3300318 | 11 |
| #25 | LAUT TRANSPORTATION INC | 2532266 | 10 |
Recent Inspections
Latest inspections where 392.22A-D was cited • 8,324 total events • Page 1 of 333
Recent Inspections with 392.22A-D
Showing 25 of 8,324
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Apr 2, 2026 | 87485134 | LA | Level 3 | No |
| Apr 2, 2026 | 87484888 | LA | Level 3 | No |
| Apr 2, 2026 | 87484887 | LA | Level 3 | No |
| Apr 1, 2026 | 87457086 | LA | Level 3 | No |
| Apr 1, 2026 | 87457115 | LA | Level 3 | No |
| Apr 1, 2026 | 87457116 | LA | Level 2 | No |
| Apr 1, 2026 | 87457117 | LA | Level 3 | No |
| Apr 1, 2026 | 87484877 | LA | Level 3 | No |
| Apr 1, 2026 | 87484282 | LA | Level 3 | No |
| Apr 1, 2026 | 87484341 | LA | Level 3 | No |
| Apr 1, 2026 | 87484458 | LA | Level 3 | No |
| Apr 1, 2026 | 87484401 | LA | Level 3 | No |
| Apr 1, 2026 | 87484436 | LA | Level 3 | No |
| Apr 1, 2026 | 87484991 | LA | Level 3 | No |
| Apr 1, 2026 | 87484992 | LA | Level 3 | No |
| Apr 1, 2026 | 87484448 | LA | Level 3 | No |
| Apr 1, 2026 | 87484878 | LA | Level 3 | No |
| Apr 1, 2026 | 87484993 | LA | Level 3 | No |
| Apr 1, 2026 | 87457775 | LA | Level 3 | No |
| Apr 1, 2026 | 87484879 | LA | Level 3 | No |
| Apr 1, 2026 | 87484460 | LA | Level 3 | No |
| Apr 1, 2026 | 87484876 | LA | Level 3 | No |
| Apr 1, 2026 | 87457042 | LA | Level 3 | No |
| Mar 31, 2026 | 87474324 | LA | Level 3 | No |
| Mar 31, 2026 | 87457379 | LA | Level 2 | No |