U14: Field Testing & Analysis of Braking Performance of In-Service Trucks
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2009-06-01
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Alternative Title:Field Testing & Analysis of Braking Performance of In-Service Trucks Field Testing and Analysis of Braking Performance of In-Service Trucks U14: Field Testing and Analysis of Braking Performance of In-Service Trucks
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OCLC Number:690694505
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Edition:Final Report March 2008-June 2009
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NTL Classification:NTL-FREIGHT-Trucking Industry;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;
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Abstract:The purpose of this project was to collect a high quality data set to provide a snapshot of the braking capability of a representative sampling of in-service commercial motor vehicles (CMVs) on the road today. This data collection effort is important to safety in that no actual stopping performance data has been collected from in-service vehicles since the implementation of the Commercial Vehicle Safety Alliance (CVSA) visual inspection in the early 1980’s. This assessment utilized improved technology, such as GPS systems and a Performance Based Brake Tester (PBBT), to collect data on CMV braking performance. The data collected in this effort is intended for use in evaluating how current in-service vehicles perform, and how the Level I visual inspection corresponds to actual braking performance. Since there is no regulation of after-market components, including replacement brake pads, visual inspections may not fully assess the ability of a vehicle to stop safely. Industry and regulators alike could use current vehicle performance data in safety applications as they review present design and maintenance practices and regulations. Industry and government partnered to support this project through direct financial and in-kind contributions. Primary contributors to the project include the Federal Motor Carrier Safety Administration (FMCSA), Commercial Vehicle Safety Alliance (CVSA), Heavy-Duty Brake Manufacturer's Council (HDBMC) and the Tennessee Highway Patrol.
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