Truck Crash Reference

Truck driver fatigue

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Contents
  1. Legal hours do not establish alertness
  2. Work beyond driving
  3. Carrier scheduling and the safety rule
  4. Related entries
  5. References
Truck driver fatigue
Direct prohibition49 CFR 392.3[1]
Separate inquiryDriving-hour compliance under Part 395[2]

Driver fatigue is a safety issue distinct from exceeding a recorded driving-hour limit. Section 392.3 prohibits operating a commercial motor vehicle when fatigue, illness or another cause impairs, or is likely to impair, the driver's ability or alertness so that driving is unsafe. A carrier may not require or permit that operation.[1]

See: Hours of service for property-carrying drivers

Legal hours do not establish alertness

Hours-of-service rules set limits for covered driving, but Section 392.3 asks whether the driver can operate safely. A driver can be within a driving allowance and still be impaired by fatigue. Conversely, a recorded hours violation does not by itself prove that fatigue caused a particular crash. The log and the driver's condition answer different questions and should not be treated as interchangeable evidence.[1][2]

Work beyond driving

The definition of on-duty time includes more than time spent moving the truck. Subject to its qualifications, it includes work such as loading, unloading and attending a vehicle being loaded, as well as other work for a motor carrier. Supporting documents can help compare those activities with the duty-status record. An investigation should examine whether recorded rest was actually free of work duties.[3][4]

Carrier scheduling and the safety rule

Section 392.6 prohibits a carrier from scheduling a run so that it would require operation above applicable speed limits. Section 392.3 separately addresses unsafe impairment, with a limited grave-emergency provision. Together they direct attention to the trip requirements as well as the driver. Dispatch instructions may be relevant evidence, but a rushed schedule should not be asserted without records supporting that description.[5][1]

References

  1. abcd 49 CFR 392.3: Ill or fatigued operator. Electronic Code of Federal Regulations, Office of the Federal Register and GPO. https://www.ecfr.gov/current/title-49/section-392.3. official. Checked . Source record
  2. ab 49 CFR 395.3: Maximum driving time for property-carrying vehicles. Electronic Code of Federal Regulations, Office of the Federal Register and GPO. https://www.ecfr.gov/current/title-49/section-395.3. official. Checked . Source record
  3. ^ 49 CFR 395.2: Definitions. Electronic Code of Federal Regulations, Office of the Federal Register and GPO. https://www.ecfr.gov/current/title-49/section-395.2. official. Checked . Source record
  4. ^ 49 CFR 395.11: Supporting documents. Electronic Code of Federal Regulations, Office of the Federal Register and GPO. https://www.ecfr.gov/current/title-49/section-395.11. official. Checked . Source record
  5. ^ 49 CFR 392.6: Schedules to conform with speed limits. Electronic Code of Federal Regulations, Office of the Federal Register and GPO. https://www.ecfr.gov/current/title-49/section-392.6. official. Checked . Source record