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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
Can a truck tractor drawing a trailer be a driveaway-towaway operation? FMCSA-RG-390.5T-Q023 Trailers in driveaway-towaway operations
Are trailers which are stacked upon each other and drawn by a motor vehicle by attachment to the bottom trailer, a driveaway-towaway operation? FMCSA-RG-390.5T-Q024 Stacked trailers in driveaway-towaway operations
Must the driver’s name and each date worked appear on the time record prepared to comply with §395.1(e), 100-air-mile radius driver? FMCSA-HOS-395.1-Q18 Hours of Service Exceptions
The definition of a passenger CMV is a vehicle ‘‘designed to transport’’ more than 15 passengers, including the driver. Does that include standing passengers if the vehicle was specifically designed to accommodate standees? FMCSA-RG-390.5T-Q025 Does passenger capacity include standing passengers
May drivers who work split shifts take advantage of the 100-air-mile radius exemption found at §395.1(e)? FMCSA-HOS-395.1-Q19 Hours of Service Exceptions
What is considered a ‘‘public road?’’ FMCSA-RG-390.5T-Q026 What is a “public road?”
May a driver who is taking advantage of the 100-air-mile radius exemption in §395.1(e) be intermittently off-duty during the period away from the work-reporting location? FMCSA-HOS-395.1-Q20 Hours of Service Exceptions
When a driver fails to meet the provisions of the 100 air-mile radius exemption (section 395.1(e)), is the driver required to have copies of his/her records of duty status for the previous seven days? FMCSA-HOS-395.1-Q21 Hours of Service
A driver returns to his/her normal work reporting location from a location beyond the 100-air-mile radius and goes off duty for 7 hours. May the driver return to duty after being off-duty for 7 hours and utilize the 100-air-mile radius exemption? FMCSA-HOS-395.1-Q22 Hours of Service Exceptions
Is the exemption contained in §395.1(f) concerning department store deliveries during the period from December 10 to December 25 limited to only drivers employed by department stores? FMCSA-HOS-395.1-Q23 Hours of Service Exceptions