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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.

The FAQ area has recently been enhanced. Users can now search FAQs by stakeholder group, topics (displayed on the left side of the page), or by entering a keyword below. Choosing “Show All” will display the entire collection of FAQs.

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  1. What is a “clean inspection?” Answer

    A “clean inspection” is when a relevant roadside inspection did not result in any violations for a particular Behavior Analysis and Safety Improvement Category (BASIC). Safety inspections with no violations can improve a carrier's Safety Measurement System (SMS) results. For example, when a carrier has no BASIC violations related to the Hours-of-Service Compliance, Driver Fitness, and/or Controlled Substances/Alcohol BASICs from a Drive r Inspection (Level I, II, III or VI), this clean inspection will lower the associated BASIC measure. Similarly, when a carrier does not have any BASIC violations related to the Vehicle Maintenance and/or Hazardous Materials Compliance BASICs from a Vehicle Inspection (Level I, II, V or VI), this clean inspection will lower the associated BASIC measure. Roughly one-third of the 3.5 million inspections that are uploaded each year have zero violations.

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