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Large Truck Crash Causation Study (LTCCS)

Published by Federal Motor Carrier Safety Administration | Department of Transportation | Catalog Last Checked: August 01, 2025 at 11:15 PM | Dataset Last Updated: July 29, 2024
The Large Truck* Crash Causation Study (LTCCS) is based on a three-year data collection project conducted by the Federal Motor Carrier Safety Administration (FMCSA) and the National Highway Traffic Safety Administration (NHTSA) of the U.S. Department of Transportation (DOT). LTCCS is the first-ever national study to attempt to determine the critical events and associated factors that contribute to serious large truck crashes allowing DOT and others to implement effective countermeasures to reduce the occurrence and severity of these crashes.

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