393.136D-CLB — Large Boulders - Improperly securement of a cubic shaped boulder
FMCSA violation code under Vehicle Maintenance. 12 events recorded in roadside inspections. Severity weight: N/A.
Violation Description
Large Boulders - Improperly securement of a cubic shaped boulder
About This Violation Code
Code 393.136D-CLB falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS).
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 393.136D in the Federal Motor Carrier Safety Regulations.
Citation Trend (12 months)
Monthly count of 393.136D-CLB citations. Red bars mark months with OOS-triggering citations.
Top Carriers Cited
Ranked by frequency • 8 carriers total
Top Carriers with 393.136D-CLB Violations
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | TDD EARTH TECHNOLOGIES INC | 510185 | 4 |
| #2 | COASTAL STONE INC | 3121171 | 2 |
| #3 | MITCHELL KNORR | 3080603 | 1 |
| #4 | R E WEST INC | 27070 | 1 |
| #5 | SHEILA SCOGGINS | 3312066 | 1 |
| #6 | GREENSCAPE LAND DESIGN INC | 499868 | 1 |
| #7 | STONE TRANSPORT LLC | 4143868 | 1 |
| #8 | WILLIAMS BROTHERS TRUCKING INC | 156698 | 1 |
Recent Inspections
Latest inspections where 393.136D-CLB was cited • 12 total events
Recent Inspections with 393.136D-CLB
Showing 8 of 12
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Sep 18, 2025 | 85875927 | GA | Level 2 | Yes |
| Sep 8, 2025 | 85721101 | MA | Level 2 | No |
| Sep 2, 2025 | 85672977 | PA | Level 5 | Yes |
| Jul 11, 2025 | 85205104 | MA | Level 1 | Yes |
| Apr 24, 2025 | 84483740 | CT | Level 1 | Yes |
| Apr 23, 2025 | 84538552 | TN | Level 2 | No |
| Jan 7, 2025 | 83555712 | NH | Level 2 | Yes |
| May 17, 2023 | 78672540 | US | Level 1 | Yes |