First published by CVSA
Inspectors Place More Than 1,200 Commercial Motor Vehicles with Brake Violations Out of Service During CVSA’s Unannounced Brake Safety Day
Photo: Commercial Vehicle Safety Alliance
On April 27, 46 jurisdictions in Canada and the U.S. removed 1,290 commercial motor vehicles with brake-related critical vehicle inspection item violations from Canadian and American roadways. That’s 14.1% of the 9,132 commercial motor vehicles inspected that day.
This unannounced one-day inspection and enforcement initiative, conducted by members of the Commercial Vehicle Safety Alliance (CVSA), focuses specifically on the brake systems and components on commercial motor vehicles. On Brake Safety Day, CVSA-certified inspectors conduct their usual commercial motor vehicle inspections; however, in addition, for this initiative, they also reported brake-related data to the Alliance.
- Forty-six jurisdictions participated.
- A total of 9,132 inspections were conducted.
- Of the total number of inspections conducted, 1,290 vehicles were placed out of service.
- The brake-related out-of-service rate was 14.1%.
Table 1: Brake-related out-of-service (OOS) percentages and numbers
| Country | # of Participating Jurisdictions | # of Inspections | # Brake-Related OOS | % Brake-Related OOS |
| Canada | 6 | 382 | 62 | 16.2% |
| U.S. | 40 | 8,750 | 1,228 | 14.0% |
| Combined | 46 | 9,132 | 1,290 | 14.1% |
In addition, inspectors compiled and reported brake hose/tubing violation statistics, which was the focus area for this year’s Brake Safety Day. There were 1,534 brake hose/tubing violations. CVSA asked inspectors to submit data on four categories of brake hose/tubing chafing violations:
- A category 1 violation is when the wear extends into the outer protective material. Thirty-two percent of brake hose/tubing chafing violations were identified as this category. A category 1 violation is not an out-of-service condition.
- Category 2 is when wear extends through the outer protective material into the outer rubber cover. This is not an out-of-service violation. The largest category, 37% of brake hose/tubing chafing violations were category 2.
- In category 3, wear has made the reinforcement ply visible, but the ply remains intact. Thirteen percent of brake hose/tubing chafing violations were identified as category 3, which is not an out-of-service violation.
- In category 4, chafing has caused any part of the fabric/steel brain reinforcement ply to be frayed, severed or cut through. This is an out-service-condition. Eighteen percent of brake hose/tubing chafing violations were category 4.
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