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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
Is it a violation of the Federal Motor Carrier Safety Regulations (FMCSRs) to operate a commercial motor vehicle (CMV) from the last stop to home and not show that time on the time cards? FMCSA-HOS-395.2-Q01 Hours of Service Definitions
How should the time spent when drivers volunteer as firefighters be logged on the record of duty status when the drivers return to work? FMCSA-HOS-395.2-Q27 Hours of Service Definitions
If a driver’s record of duty status is not signed, may enforcement action be taken on the current day’s record if it contains false information? FMCSA-HOS-395.3-Q03 Hours of Service Maximum Driving Time
What is considered “oilfield equipment” for the purposes of 395.1(d)(1)? FMCSA-HOS-395.1-Q07 Hours of Service Exceptions
Is the driver allowed to record his stops during a tour of duty as off-duty time when the commercial motor vehicle (CMV) is laden with HM and the CMV is parked in a truck stop parking lot? FMCSA-HOS-395.2-Q04 Hours of Service Definitions
Is the Canadian bilingual or any other record of duty status form acceptable in the U.S.? FMCSA-HOS-395.8-Q07 Hours of Service Records of Duty Status
What kinds of oilfield equipment may drivers operate while taking advantage of the special rule of Section 395.1(d)(2)? FMCSA-HOS-395.1-Q08 Hours of Service Exceptions
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
Are drivers required to draw continuous lines between the off-duty, sleeper berth, driving, and on-duty (not driving) lines on a record of duty status when changing their duty status? FMCSA-HOS-395.8-Q13 Hours of Service Records of Duty Status
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