![]() Crash reconstruction experts rarely conclude that crashes are the result of a single factor.įatigue, drinking alcohol, and speeding are major factors in motor vehicle crashes overall. Other elements may take place immediately before a crash, such as a decision to turn in traffic, a tire blowout, or snow. They include driver training and experience, vehicle design and manufacture, highway condition and traffic signaling, and weather conditions. Elements that influence the occurrence of a crash may take place hours, days, or months before the crash. Usually they involve two or more vehicles. Motor vehicle crashes are complex events. Of the 963 crashes in the sample, 73 percent involved a large truck colliding with at least one other vehicle. Of the 1,123 large trucks in the sample, 77 percent were tractors pulling a single semi-trailer, and 5 percent were trucks carrying hazardous materials. The 963 crashes resulted in 249 fatalities and 1,654 injuries. The total LTCCS sample of 963 crashes involved 1,123 large trucks and 959 motor vehicles that were not large trucks. Each crash in the LTCCS sample involved at least one large truck and resulted in a fatality or injury. From the 120,000 large truck crashes that occurred between April 2001 and December 2003, a nationally representative sample was selected. The Federal Motor Carrier Safety Administration (FMCSA) and the National Highway Traffic Safety Administration (NHTSA) conducted the Large Truck Crash Causation Study (LTCCS) to examine the reasons for serious crashes involving large trucks (trucks with a gross vehicle weight rating over 10,000 pounds). July 2007 The Large Truck Crash Causation Study Pocket Guide to Large Truck and Bus Statisticsįederal Motor Carrier Safety Administration.Analysis Analysis, Research, & Technology.Update My USDOT Number and/or Authority.Apply for a New USDOT Number and/or Authority.ADA Requirements for Over-the-Road Bus Companies.National Registry of Certified Medical Examiners.Regulations Regulations, Rules, & Notices.
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