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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
If a company owns more than one motor carrier subject to the Federal Motor Carrier Safety Regulations, may the company use logs listing the names of all such motor carrier employers and require the driver to identify the carrier for which he or she drives FMCSA-HOS-395.8-Q18 Hours of Service Records of Duty Status
Are Red Cross vehicles/drivers subject to the FMCSRs? FMCSA-RG-390.3T-Q007 Applicability of FMCSRs to Red Cross vehicles
Must a person who is injured in an accident and immediately receives treatment away from the scene of the accident be transported in an ambulance? FMCSA-RG-390.5T-Q018 Mode of transportation of persons injured in CMV accident
When a motor carrier receives a request for driver information from another motor carrier about a former or current driver, is it required to supply the requested information? FMCSA-DQ-391.23-Q001 Driver investigations and inquiries
May a motor carrier designate another person or organization to administer the road test? FMCSA-DQ-391.31-Q004 Road test
If a driver logs his/her duty status as “driving” but makes multiple short stops (each less than 15 minutes) for on-duty or off-duty activities, marks a vertical line on the grid for each stop, and records the elapsed time for each in the remarks section FMCSA-HOS-395.8-Q22 how to count non-driving activities against the driving limit
What is meant by the phrase, "an employer who uses, but does not employ, a driver * * * "? Describe a situation to which the phrase would apply. FMCSA-D&A-382.301-Q01 Applicability of Section § 382.301
If an employee is off work due to temporary lay-off, illness, injury or vacation, should that individual’s name be removed from the random pool? FMCSA-D&A-382.305-Q10 Guidance on including employees who are temporarily off work in the random pool
Is the “mandatory information” referred to in the previous guidance that required of a normal RODS under section 395.8(d) that of the 100-air-mile radius exemption under section 395.1(e)(5)? FMCSA-HOS-395.1-Q17 Hours of Service Exceptions
Question 19: What arrangement for SAP services would be acceptable in geographical areas where no qualified SAP is readily available? FMCSA-D&A-382.605-Q19 Drug & Alcohol Testing – SAP In-person Evaluation