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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 in accordance with 49 CFR 5.41, send your request to: Please identify the guidance document in your request.

Subject Agency Identifier Topic Issued Date
Is a motor carrier that is subject to Part 382 allowed to query the Drug and Alcohol Clearinghouse (Clearinghouse) for drivers who hold a commercial driver’s license (CDL) but who are operating only non-CDL-required commercial motor vehicles (CMVs) in ... FMCSA-D&A-CLEAR-382.701-FAQ009 Drug and Alcohol Clearinghouse
How do FMCSA’s ELDT regulations affect State-based training requirements? FMCSA-ELDT-380-Q027 Entry level Driver Training
May a driver use yard moves to satisfy the 30-minute break requirement? FMCSA-HOS-2020-395-FAQ20 Hours of Service
Does the 30-minute break have to be consecutive? FMCSA-HOS-2020-395-FAQ17 Hours of Service
May a driver use the adverse driving conditions provision even if the adverse conditions have cleared when the driver arrives at the location where the condition occurred? FMCSA-HOS-2020-395-FAQ14 Hours of Service
Are there any restrictions on how often the adverse driving conditions exception may be used? FMCSA-2020-395-FAQ12 Hours of Service
May a 10-consecutive hour off-duty period be paired with a subsequent qualifying 7+-consecutive hour sleeper berth period? FMCSA-HOS-2020-395-FAQ05-RESCINDED Hours of Service
Under the sleeper berth provisions, a driver takes 7 hours in the sleeper berth & later takes an off-duty period of 3 hours before arriving at home. When the driver arrives home within the permissible hours, what rest is req’d to reset their "day clock"? FMCSA-HOS-2020-395-FAQ08 Hours of Service
How may a driver using the sleeper berth provision obtain the off-duty time required by 395.3(a)(1)? FMCSA-HOS-2020-395-FAQ01 Hours of Service
May a driver use on-duty not driving time during a roadside inspection to satisfy the 30-minute break? FMCSA-HOS-2020-395-FAQ19 Hours of Service