(A) No person shall drive a “commercial motor vehicle” as defined in section 4506.01 of the Revised Code, or a “commercial car” or “commercial tractor,” as defined in section 4501.01 of the Revised Code, while the person’s ability or alertness is so impaired by fatigue, illness, or other causes that it is unsafe for the person to drive such vehicle. No driver shall use any drug which would adversely affect the driver’s ability or alertness.

Attorney's Note

Under the Ohio Code, punishments for crimes depend on the classification. In the case of this section:
ClassPrisonFine
Misdemeanor of the fourth degreeup to 30 daysup to $250
Minor misdemeanorup to $150
For details, see Ohio Code § 2929.24(A) and Ohio Code § 2929.24(A)

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Terms Used In Ohio Code 4511.79

  • highway: means the entire width between the boundary lines of every way open to the use of the public as a thoroughfare for purposes of vehicular travel. See Ohio Code 4511.01
  • Motor vehicle: means every vehicle propelled or drawn by power other than muscular power or power collected from overhead electric trolley wires, except motorized bicycles, electric bicycles, road rollers, traction engines, power shovels, power cranes, and other equipment used in construction work and not designed for or employed in general highway transportation, hole-digging machinery, well-drilling machinery, ditch-digging machinery, farm machinery, and trailers designed and used exclusively to transport a boat between a place of storage and a marina, or in and around a marina, when drawn or towed on a street or highway for a distance of no more than ten miles and at a speed of twenty-five miles per hour or less. See Ohio Code 4511.01
  • Person: means every natural person, firm, co-partnership, association, or corporation. See Ohio Code 4511.01
  • Vehicle: means every device, including a motorized bicycle and an electric bicycle, in, upon, or by which any person or property may be transported or drawn upon a highway, except that "vehicle" does not include any motorized wheelchair, any electric personal assistive mobility device, any low-speed micromobility device, any personal delivery device as defined in section 4511. See Ohio Code 4511.01
  • Whoever: includes all persons, natural and artificial; partners; principals, agents, and employees; and all officials, public or private. See Ohio Code 1.02

(B) No owner, as defined in section 4501.01 of the Revised Code, of a “commercial motor vehicle,” “commercial car,” or “commercial tractor,” or a person employing or otherwise directing the driver of such vehicle, shall require or knowingly permit a driver in any such condition described in division (A) of this section to drive such vehicle upon any street or highway.

(C) Except as otherwise provided in this division, whoever violates this section is guilty of a minor misdemeanor. If the offender previously has been convicted of or pleaded guilty to one or more violations of this section or section 4511.63, 4511.76, 4511.761, 4511.762, 4511.764, or 4511.77 of the Revised Code or a municipal ordinance that is substantially similar to any of those sections, whoever violates this section is guilty of a misdemeanor of the fourth degree.