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Frequently Asked Questions

The Frequently Asked Questions (FAQs) are questions and answers about Compliance, Safety, Accountability (CSA) that the Federal Motor Carrier Safety Administration (FMCSA) compiled to assist the public. As questions come in through the website, FMCSA adds them to the database along with their answers. If you do not see your question or topic addressed, please contact us by submitting a feedback form. We will respond to you directly and consider your question for inclusion in the FAQs.

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  1. How does the Safety Measurement System (SMS) handle crashes when motor carriers are not at fault? Answer

    The structure of the new SMS is such that the motor carrier’s role in the crash (i.e. preventability) is not automatically determined or considered. In fact, recordable crash reports that States submit to the Federal Motor Carrier Safety Administration (FMCSA) does not include the motor carrier’s role in the crash. Consequently, motor carriers are identified for possible intervention based on recordable crashes without consideration of the motor carrier’s role.

    Why does FMCSA take this approach? This approach is taken because data analysis has historically shown that motor carriers who are involved in crashes, regardless of the motor carrier’s role, are likely to be involved in more future crashes than carriers who are not. Put simply, past crashes are a good predictor of future crashes.

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