Hours of Service Vilolations and Brake Problems Top Out of Service Violations
According to JJ Keller, hours of service violations and brake problems were the top violations found during the 2007 Roadcheck. Between vehicle problems, and driver problems, approximately 49% of the inspections showed either the vehicle or the driver should not be on the road. JJ Keller reported:
A total of 62,370 inspections were conducted during the 72-hour Roadcheck 2007 event from June 5–7, 2007. The following out-of-service (O-O-S) statistics emerged for drivers and vehicles:
| Driver O-O-S Violations | ||
| Violation | Number | Percentage |
| HOS | 3,027 | 65.9% |
| False Logs | 522 | 11.4% |
| Suspended | 177 | 3.9% |
| Driver Qualification | 166 | 3.6% |
| Endorsement | 120 | 2.6% |
| Expired License | 78 | 1.7% |
| Drugs/Alcohol | 71 | 1.5% |
| Age | 15 | 0.3% |
| Revoked License | 12 | 0.3% |
| Withdrawn License | 11 | 0.2% |
| Cancelled License | 9 | 0.2% |
| Other | 607 | 13.2% |
| TOTAL | 4,815 | |
| Vehicle O-O-S Violations | ||
| Violation | Number | Percentage |
| Brake Adjustment | 6,954 | 27.7% |
| Brake System | 6,566 | 26.2% |
| Lights | 3,521 | 14.0% |
| Loading (securement) | 2,610 | 10.4% |
| Tires and wheels | 2,286 | 9.1% |
| Suspension | 1,159 | 4.6% |
| Steering | 533 | 2.1% |
| Frame | 345 | 1.4% |
| Hazardous materials | 261 | 1.0% |
| Coupling device | 178 | 0.7% |
| Fuel system | 166 | 0.7% |
| Exhaust | 48 | 0.2% |
| Other | 924 | 3.7% |
| TOTAL | 25,551 | |
The number of U.S. state inspections totaled 53,451 (85.70%); Canadian inspections totaled 7,274 (11.66%); U.S. FMCSA inspections totaled 1,506 (2.41%); and Mexican inspections totaled 139 (0.22%).
