Rulebook › 49 CFR Part 391
PART 391—QUALIFICATIONS OF DRIVERS AND LONGER COMBINATION VEHICLE (LCV) DRIVER INSTRUCTORS
Official text from the eCFR, current as of 2026-10-21.
Subpart A—General
- § 391.1 Scope of the rules in this part; additional qualifications; duties of carrier-drivers.
- § 391.2 General exceptions.
Subpart B—Qualification and Disqualification of Drivers
- § 391.11 General qualifications of drivers.
- § 391.13 Responsibilities of drivers.
- § 391.15 Disqualification of drivers.
Subpart C—Background and Character
- § 391.21 Application for employment.
- § 391.23 Investigation and inquiries.
- § 391.25 Annual inquiry and review of driving record.
- § 391.27 [Reserved]
Subpart D—Tests
Subpart E—Physical Qualifications and Examinations
- § 391.41 Physical qualifications for drivers.
- § 391.43 Medical examination; certificate of physical examination.
- § 391.44 Physical qualification standards for an individual who does not satisfy, with the worse eye, either the distant visual acuity standard with corrective lenses or the field of vision standard, or both.
- § 391.45 Persons who must be medically examined and certified.
- § 391.46 Physical qualification standards for an individual with diabetes mellitus treated with insulin for control.
- § 391.47 Resolution of conflicts of medical evaluation.
- § 391.49 Alternative physical qualification standards for the loss or impairment of limbs.
Subpart F—Files and Records
- § 391.51 General requirements for driver qualification files.
- § 391.53 Driver investigation history file.
- § 391.55 LCV Driver-Instructor qualification files.
Subpart G—Limited Exemptions
- § 391.61 Drivers who were regularly employed before January 1, 1971.
- § 391.62 Limited exemptions for intracity zone drivers.
- § 391.63 Multiple-employer drivers.
- § 391.64 [Reserved]
- § 391.65 Drivers furnished by other motor carriers.
- § 391.67 Farm vehicle drivers of articulated commercial motor vehicles.
- § 391.68 Private motor carrier of passengers (nonbusiness).
- § 391.69 Private motor carrier of passengers (business).
- § 391.71 [Reserved]