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 |
|---|---|---|---|
| When one of these individuals has a second job with an interstate motor carrier and works a 24-hour shift for the fire/rescue/emergency services department, is all of the time spent during the shift considered on-duty time? | FMCSA-HOS-395.2-Q29 | Hours of Service Definitions | |
| Question 1: Who makes the determination, the driver or carrier, that conditions are sufficiently dangerous to warrant discontinuing the operation of a CMV? | FMCSA-DRV-392.14-Q001 | Hazardous conditions | |
| Model Training Curriculum for Motorcoach Drivers | FMCSA-PASS-MODEL TRAINING CURRICULUM FOR MOTORCOACH DRIVERS | Motorcoach Driver Trainng | |
| Must a motor carrier retain 100-air-mile driver time records at its principal place of business? | FMCSA-HOS-395.1-Q14 | Hours of Service Exceptions | |
| Risk Retention Groups established under the Liabity Risk Retention Act of 1986 | FMCSA-FR-52FR11277.1987.04.08 | Liability Insurance |