| Violation Code | Violation Description | # of Reviews | # of Critical Violations | % of Total Critical Violations |
| 1 | 395.8A1 | Not using the appropriate method to record hours of service | 552 | 584 | 18.30% |
| 2 | 382.301A | Using A Driver Before Receiving A Pre-Employment Result | 344 | 344 | 10.78% |
| 3 | 391.51B2 | Inquiries Into Employment Record Not Kept In Dq File | 271 | 280 | 8.77% |
| 4 | 395.8K1 | Retention Of Driver'S Record Of Duty Status | 210 | 250 | 7.83% |
| 5 | 395.8E1 | False Reports Of Records Of Duty Status | 238 | 249 | 7.80% |
| 6 | 396.17A | Using A CMV Not Periodically Inspected | 228 | 233 | 7.30% |
| 7 | 396.3B | Failing To Keep Minimum Records Of Inspection And Maintenance | 220 | 227 | 7.11% |
| 8 | 391.51A | Failing To Maintain Driver Qual. File On Each Driver | 119 | 123 | 3.85% |
| 9 | 396.11A | Failing To Require Driver To Prepare Vehicle Inspection Report | 100 | 105 | 3.29% |
| 10 | 391.51B7 | No Medical Certificate In Qual. File | 88 | 90 | 2.82% |
| 11 | 395.8A1I | 395.8A1I | 59 | 61 | 1.91% |
| 12 | 395.8A | No drivers record of duty status when one is required | 51 | 54 | 1.69% |
| 13 | 382.305B2 | Failing To Do Random Drug Tests At Applicable Annual Rate | 53 | 53 | 1.66% |
| 14 | 382.303A | Failing To Conduct Post Accident Testing On Driver For Alcohol. | 46 | 46 | 1.44% |
| 15 | 395.8A2II | Driver failed to submit their record of duty status within 13 days. | 44 | 45 | 1.41% |
| 16 | 391.11A | Using An Unqualified Driver | 44 | 45 | 1.41% |
| 17 | 391.45A | Using A Driver Not Medically Examined And Certified | 38 | 39 | 1.22% |
| 18 | 382.303B | Failing To Conduct Post Accident Testing On Driver For Controlled Substances | 37 | 37 | 1.16% |
| 19 | 382.305B1 | Failing To Do Random Alcohol Test At Applicable Annual Rate | 30 | 30 | 0.94% |
| 20 | 395.3A2 | Requiring or permitting driver to drive after 14 hours on duty | 23 | 25 | 0.78% |