393.134B3 — Cargo securement - large boulders
FMCSA violation code under Vehicle Maintenance. 192 events recorded in roadside inspections. Severity weight: 7.
Violation Description
Aggregate large boulders not secured per specific rules.
About This Violation Code
Code 393.134B3 falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 7 (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 393.134B3 in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 393.134B3 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 393.134B3 citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 393.134B3 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 • 137 carriers total • Page 1 of 6
Top Carriers with 393.134B3 Violations
Showing 25 of 137
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | BFI WASTE SERVICES LLC | 962089 | 8 |
| #2 | WASTE INDUSTRIES USA | 198696 | 4 |
| #3 | KLUESNER SANITATION LLC | 4335246 | 4 |
| #4 | A 1 DISPOSAL SERVICE INC | 2003449 | 4 |
| #5 | DM VENTURES 1 LLC | 2986114 | 3 |
| #6 | AMWASTE LLC | 2046765 | 3 |
| #7 | ALTER TRADING CORPORATION | 420791 | 3 |
| #8 | DITTMER RECYCLING INC | 1024851 | 3 |
| #9 | MARRILLIA ENVIROMENTAL LLC | 2469725 | 3 |
| #10 | RCRA INC | 1920973 | 3 |
| #11 | WASTE MANAGEMENT OF MISSISSIPPI INC | 268831 | 3 |
| #12 | T & T IRON & METALS INC | 1426706 | 3 |
| #13 | WASTE MANAGEMENT OF KENTUCKY LLC | 92061 | 3 |
| #14 | SOLID ROCK INC | 1458887 | 2 |
| #15 | KLUESNER CONSTRUCTION INC | 748752 | 2 |
| #16 | ROCK RIVER DISPOSAL SERVICES INC | 211060 | 2 |
| #17 | A-LINE IRON & METALS INC | 1527792 | 2 |
| #18 | WASTE MANAGENENT OF IOWA INC | 501287 | 2 |
| #19 | CAROLINA WASTE GROUP LLC | 3428333 | 2 |
| #20 | GFL SOLID WASTE SOUTHEAST LLC | 3476993 | 2 |
| #21 | CAMBRIA RESTORATION SERVICE LLC | 2526968 | 2 |
| #22 | MP CUSTOM SERVICES LLC | 3064025 | 2 |
| #23 | INDUSTRIAL SERVICES INC | 773201 | 2 |
| #24 | LAKESHORE RECYCLING SYSTEMS LLC | 3762335 | 2 |
| #25 | GMS ENVIRONMENTAL | 3226289 | 2 |
Recent Inspections
Latest inspections where 393.134B3 was cited • 192 total events • Page 1 of 8
Recent Inspections with 393.134B3
Showing 25 of 192
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Apr 1, 2026 | 87486057 | NC | Level 2 | Yes |
| Mar 30, 2026 | 87464033 | NM | Level 2 | Yes |
| Mar 25, 2026 | 87407018 | NC | Level 2 | Yes |
| Mar 24, 2026 | 87408463 | IA | Level 1 | Yes |
| Feb 20, 2026 | 87107135 | IL | Level 2 | Yes |
| Feb 16, 2026 | 87064236 | IA | Level 2 | Yes |
| Feb 13, 2026 | 87056891 | IA | Level 2 | Yes |
| Feb 12, 2026 | 87028530 | KY | Level 2 | Yes |
| Feb 11, 2026 | 87015999 | KY | Level 2 | Yes |
| Feb 10, 2026 | 87017767 | IL | Level 2 | Yes |
| Feb 3, 2026 | 86956763 | IA | Level 2 | Yes |
| Feb 2, 2026 | 86936406 | KY | Level 2 | Yes |
| Jan 30, 2026 | 86937698 | IA | Level 2 | Yes |
| Jan 27, 2026 | 86906539 | IL | Level 2 | Yes |
| Jan 20, 2026 | 86853902 | IA | Level 2 | Yes |
| Jan 19, 2026 | 86837347 | KY | Level 2 | Yes |
| Jan 19, 2026 | 86884220 | IL | Level 1 | Yes |
| Jan 15, 2026 | 86804994 | NC | Level 2 | Yes |
| Jan 12, 2026 | 86776825 | IA | Level 2 | Yes |
| Jan 8, 2026 | 86750719 | IA | Level 2 | Yes |
| Jan 6, 2026 | 86738087 | IA | Level 2 | Yes |
| Jan 2, 2026 | 86707620 | NC | Level 2 | Yes |
| Dec 29, 2025 | 86676535 | NC | Level 1 | Yes |
| Dec 11, 2025 | 86570116 | IL | Level 1 | Yes |
| Dec 8, 2025 | 86529320 | IL | Level 1 | Yes |