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['Enforcement - DOT']
['Roadside Inspections']
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Speeding and broken lamps continued to be top concerns last year during roadside enforcement of commercial vehicle safety regulations.
After a pandemic-induced drop in 2020, the number of roadside inspections has been growing but is still low by historic standards, as shown in the accompanying chart.
| Year | Vehicle Inspections | Driver Inspections |
| 2018 | 2,410,873 | 3,402,942 |
| 2019 | 2,386,738 | 3,356,343 |
| 2020 | 1,767,400 | 2,471,611 |
| 2021 | 1,962,737 | 2,766,086 |
| 2022 | 2,016,103 | 2,879,966 |
The following tables list the top 10 violations of driver- and vehicle-related motor carrier safety and hazardous materials regulations as cited during roadside inspections in 2022, as well as:
- The percentage of those violations that resulted in an out-of-service (OOS) order for the driver or vehicle; and
- The severity points assigned to each violation in the Compliance, Safety, Accountability (CSA) system.
| Rank | Code | Description | Violations | OOS | CSA Points |
| 1 | 392.2S | Speeding | 146,080 | 0% | 1-10 |
| 2 | 391.41(a) | Driving without a valid medical certificate | 87,105 | 14% | 1 |
| 3 | 395.8(e) | False log(s) | 71,889 | 66% | 7 |
| 4 | 392.2C | Failure to obey traffic control device | 65,675 | 0% | 5 |
| 5 | 395.8(a) | No logs (of proper type) in driver’s possession | 58,180 | 95% | 5 |
| 6 | 392.16 | Failing to use seat belt | 53,638 | 0% | 7 |
| 7 | 383.23(a)(2) | Operating a CMV without a CDL | 51,401 | 99% | 8 |
| 8 | 392.2LV | Lane-restriction violation | 41,531 | 0% | 3 |
| 9 | 392.2MI | Miscellaneous traffic law violation | 39,607 | 0% | 0 |
| 10 | 395.8 | Log violation: general/form and manner | 39,263 | 1% | 1 |
| Rank | Code | Description | Violations | OOS | CSA Points |
| 1 | 393.9 | Required lamp(s) not operable | 635,723 | 6% | 2 |
| 2 | 396.17(c) | Operating a CMV without periodic inspection | 187,970 | 0% | 4 |
| 3 | 393.11 | No/defective lighting/reflective devices | 148,764 | 2% | 3 |
| 4 | 396.3(a)(1)B | Brakes (general) | 132,203 | 53% | 4 |
| 5 | 393.47(e)-(f) | Brake(s) out of adjustment | 131,489 | 0% | 4 |
| 6 | 393.95(a) | Fire extinguisher violation | 124,989 | 0% | 2 |
| 7 | 393.45(b)(2) | Brake hose/tubing chaffing and/or kinking | 113,110 | 17% | 4 |
| 8 | 393.75(a)(3) | Tire flat and/or with audible air leak | 109,347 | 98% | 8 |
| 9 | 396.3(a)(1) | General inspection/repair/maintenance | 91,975 | 10% | 2 |
| 10 | 393.78 | Windshield wipers inoperative/defective | 87,246 | 0% | 1 |
| Rank | Code | Description | Violations | OOS | CSA Points |
| 1 | 177.834(a) | Package not secure in vehicle | 3,836 | 98% | 10 |
| 2 | 107.620(b) | No copy of USDOT hazmat registration number | 2,767 | 0% | 0 |
| 3 | 177.817(a) | No shipping papers (carrier) | 2,370 | 70% | 3 |
| 4 | 177.817(e) | Shipping paper accessibility | 2,225 | 2% | 3 |
| 5 | 172.504(a) | Vehicle not placarded as required | 1,925 | 50% | 5 |
| 6 | 177.823(a) | No placards/markings when required | 1,886 | 45% | 5 |
| 7 | 172.516(c)(6) | Placard damaged, deteriorated, or obscured | 1,874 | 1% | 5 |
| 8 | 72.502(a)(1) | Prohibited placarding | 1,847 | 15% | 5 |
| 9 | 72.602(c)(1) | Maintenance/accessibility of emergency response information | 1,454 | 0% | 3 |
| 10 | 72.600(c) | Emergency response information not available | 1,048 | 0% | 3 |
Speeding and broken lamps continued to be top concerns last year during roadside enforcement of commercial vehicle safety regulations.
After a pandemic-induced drop in 2020, the number of roadside inspections has been growing but is still low by historic standards, as shown in the accompanying chart.
| Year | Vehicle Inspections | Driver Inspections |
| 2018 | 2,410,873 | 3,402,942 |
| 2019 | 2,386,738 | 3,356,343 |
| 2020 | 1,767,400 | 2,471,611 |
| 2021 | 1,962,737 | 2,766,086 |
| 2022 | 2,016,103 | 2,879,966 |
The following tables list the top 10 violations of driver- and vehicle-related motor carrier safety and hazardous materials regulations as cited during roadside inspections in 2022, as well as:
- The percentage of those violations that resulted in an out-of-service (OOS) order for the driver or vehicle; and
- The severity points assigned to each violation in the Compliance, Safety, Accountability (CSA) system.
| Rank | Code | Description | Violations | OOS | CSA Points |
| 1 | 392.2S | Speeding | 146,080 | 0% | 1-10 |
| 2 | 391.41(a) | Driving without a valid medical certificate | 87,105 | 14% | 1 |
| 3 | 395.8(e) | False log(s) | 71,889 | 66% | 7 |
| 4 | 392.2C | Failure to obey traffic control device | 65,675 | 0% | 5 |
| 5 | 395.8(a) | No logs (of proper type) in driver’s possession | 58,180 | 95% | 5 |
| 6 | 392.16 | Failing to use seat belt | 53,638 | 0% | 7 |
| 7 | 383.23(a)(2) | Operating a CMV without a CDL | 51,401 | 99% | 8 |
| 8 | 392.2LV | Lane-restriction violation | 41,531 | 0% | 3 |
| 9 | 392.2MI | Miscellaneous traffic law violation | 39,607 | 0% | 0 |
| 10 | 395.8 | Log violation: general/form and manner | 39,263 | 1% | 1 |
| Rank | Code | Description | Violations | OOS | CSA Points |
| 1 | 393.9 | Required lamp(s) not operable | 635,723 | 6% | 2 |
| 2 | 396.17(c) | Operating a CMV without periodic inspection | 187,970 | 0% | 4 |
| 3 | 393.11 | No/defective lighting/reflective devices | 148,764 | 2% | 3 |
| 4 | 396.3(a)(1)B | Brakes (general) | 132,203 | 53% | 4 |
| 5 | 393.47(e)-(f) | Brake(s) out of adjustment | 131,489 | 0% | 4 |
| 6 | 393.95(a) | Fire extinguisher violation | 124,989 | 0% | 2 |
| 7 | 393.45(b)(2) | Brake hose/tubing chaffing and/or kinking | 113,110 | 17% | 4 |
| 8 | 393.75(a)(3) | Tire flat and/or with audible air leak | 109,347 | 98% | 8 |
| 9 | 396.3(a)(1) | General inspection/repair/maintenance | 91,975 | 10% | 2 |
| 10 | 393.78 | Windshield wipers inoperative/defective | 87,246 | 0% | 1 |
| Rank | Code | Description | Violations | OOS | CSA Points |
| 1 | 177.834(a) | Package not secure in vehicle | 3,836 | 98% | 10 |
| 2 | 107.620(b) | No copy of USDOT hazmat registration number | 2,767 | 0% | 0 |
| 3 | 177.817(a) | No shipping papers (carrier) | 2,370 | 70% | 3 |
| 4 | 177.817(e) | Shipping paper accessibility | 2,225 | 2% | 3 |
| 5 | 172.504(a) | Vehicle not placarded as required | 1,925 | 50% | 5 |
| 6 | 177.823(a) | No placards/markings when required | 1,886 | 45% | 5 |
| 7 | 172.516(c)(6) | Placard damaged, deteriorated, or obscured | 1,874 | 1% | 5 |
| 8 | 72.502(a)(1) | Prohibited placarding | 1,847 | 15% | 5 |
| 9 | 72.602(c)(1) | Maintenance/accessibility of emergency response information | 1,454 | 0% | 3 |
| 10 | 72.600(c) | Emergency response information not available | 1,048 | 0% | 3 |
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