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Regulatory Guidance

Welcome to the FMCSA Guidance Portal. This web portal is a searchable, indexed database that contains and links to all guidance documents in effect from the Federal Motor Carrier Safety Administration. The guidance documents lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract.

To comment on any guidance document, or to request issuance, reconsideration, modification, or rescission of any guidance document, please identify the guidance document in your request and send it to: FMCSAguidance@dot.gov. NOTE: The FMCSAguidance mailbox is not intended to serve as a mailbox for general inquiries. For inquiries that go beyond the limited purpose of the FMCSAguidance mailbox, please call FMCSA's Information Line (800-832-5660) or visit FMCSA's "Contact Us" page to send your inquiry to the appropriate mailbox.

Subject Agency Identifier Topic Issued Date
Must non transportation-related work for a motor carrier be recorded as on-duty time? FMCSA-HOS-395.2-Q11 Hours of Service Definitions
How should time spent in transit on a ferry boat be recorded? FMCSA-HOS-395.2-Q12
What is the duty status of a co-driver who is riding seated next to the truck driver? FMCSA-HOS-395.2-Q13 Hours of Service Definitions
How must a commercial motor vehicle (CMV) driver operating a non-CMV at the direction of a motor carrier record this time? FMCSA-HOS-395.2-Q14 Regulations
How must the time spent operating a motor vehicle on the rails (roadrailers) be recorded? FMCSA-HOS-395.2-Q15 Hours of Service Definitions
Must a driver engaged in union activities affecting the employing motor carrier record such time as on-duty (not driving) time? FMCSA-HOS-395.2-Q16 Hours of Service Definitions
How is the 50 percent driving time in the definition of “driver-salesperson” in §395.2 determined? FMCSA-HOS-395.2-Q17 Hours of Service Definitions
May a driver change to and from a driver-salesman status at any time? FMCSA-HOS-395.2-Q18 Hours of Service Definitions
May the time a driver spends attending safety meetings, ceremonies, celebrations, or other company-sponsored safety events be recorded as off-duty time? FMCSA-HOS-395.2-Q19 Hours of Service Definitions
How must a driver record time spent on-call awaiting dispatch? FMCSA-HOS-395.2-Q20 Hours of Service Definitions