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As part of the Commercial Vehicle Safety Alliance’s brake safety inspection and enforcement event, inspectors in 47 jurisdictions across the United States, Canada and Mexico conducted 4,898 inspections on commercial vehicles in one day.

Thirty-seven U.S. jurisdictions participated in this year’s Brake Safety Day. Inspectors conducted 3,859 Level I, IV and V inspections. A total of 448 commercial vehicles were taken out of service for brake-related violations, representing a take-out rate of 11.6%. In addition, 74 power units and 46 towed units had brake pad violations.

During this year’s Brake Safety Day, it was noted that out of the 4,898 inspections conducted, inspectors identified 570 (11.6%) commercial vehicles travelling on roads with brake-related critical vehicle inspection violations. These vehicles were immediately prohibited from travelling until the critical violations could be properly corrected.

Inspectors found 20% of brakes inoperative on 330 commercial vehicles. This means that 20% or more of the vehicle’s (or combination of vehicles’) service brakes were inoperative, resulting in a defective brake. This was the most common violation on Brake Safety Day, accounting for 57.9% of all brake-related violations.

Inspectors found additional braking violations in 256 (44.9%) of the commercial vehicles inspected. Examples of additional braking violations include worn brake lines/hoses, broken brake drums, non-functioning tractor protection system, non-functioning low air warning device, air leaks, hydraulic fluid leaks, etc.

Steering brake violations occurred in 73 commercial vehicles, which represents 12.8% of all braking violations due to out-of-service vehicles.

This year the focus was on the health and safety of brake pads. Problems with brake pads can lead to violations or service interruptions and affect a road transport company’s safety rating. Inspectors found violations of brake pad regulations on 108 power units and 66 towed units.

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A total of 114 violations were identified regarding engine brake pads/blocks. The most common violation regarding engine brake pads/blocks was contamination, with 48 violations.

There were 71 violations identified for brake pads/pads on towed units. 23 of the violations were for cracks/gaps in the pads/pads – this was the most common violation for towed units related to brake pads/pads.

Nine U.S. jurisdictions with performance-based brake testers (PBBTs) used them on Brake Safety Day. A PBBT is a machine that evaluates a vehicle’s braking performance. The U.S. Federal Motor Carrier Safety Regulations and the CVSA’s North American Standard Out-of-Service Criteria require a minimum braking performance of 43.5%. If the vehicle’s braking performance is below 43.5%, it is not providing the required minimum braking performance and must be serviced.

On Brake Safety Day, 88 PBBT inspections were carried out. Four (4.5%) did not achieve the required minimum braking performance of 43.5% and were taken out of service.

Inspectors in nine Canadian provinces and territories conducted 1,021 Level I, IV and V inspections and removed 117 commercial vehicles from the road for brake-related take-out violations, representing a take-out rate of 11.5%. In addition, 33 power units and 18 towed units had brake pad violations.

Each year, CVSA law enforcement agencies are invited to participate in a one-day, unannounced brake safety inspection and regulatory compliance enforcement event. During this day, CVSA-certified commercial vehicle inspectors conduct their routine roadside inspections focusing on brake systems and components and provide CVSA with data on brake-related inspections and violations.

CVSA’s unannounced Brake Safety Day is part of Operation Airbrake, a CVSA program to improve commercial vehicle braking safety across North America. CVSA’s seven-day Brake Safety Week, another Operation Airbrake campaign, is scheduled for August 25-31.

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