Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4511.34

(A) The operator of a motor vehicle, streetcar, or trackless trolley shall not follow another vehicle, streetcar, or trackless trolley more closely than is reasonable and prudent, having due regard for the speed of such vehicle, streetcar, or trackless trolley, and the traffic upon and the condition of the highway.

The driver of any truck, or motor vehicle drawing another vehicle, when traveling upon a roadway outside a business or residence district shall maintain a sufficient space, whenever conditions permit, between such vehicle and another vehicle ahead so an overtaking motor vehicle may enter and occupy such space without danger. This paragraph does not prevent overtaking and passing nor does it apply to any lane specially designated for use by trucks.

Outside a municipal corporation, the driver of any truck, or motor vehicle when drawing another vehicle, while ascending to the crest of a grade beyond which the driver's view of a roadway  1 is obstructed, shall not follow within three hundred feet of another truck, or motor vehicle drawing another vehicle. This paragraph shall not apply to any lane specially designated for use by trucks.

Motor vehicles being driven upon any roadway outside of a business or residence district in a caravan or motorcade, shall maintain a sufficient space between such vehicles so an overtaking vehicle may enter and occupy such space without danger. This paragraph shall not apply to funeral processions.

(B) Except as otherwise provided in this division, whoever violates this section is guilty of a minor misdemeanor. If, within one year of the offense, the offender previously has been convicted of or pleaded guilty to one predicate motor vehicle or traffic offense, whoever violates this section is guilty of a misdemeanor of the fourth degree. If, within one year of the offense, the offender previously has been convicted of two or more predicate motor vehicle or traffic offenses, whoever violates this section is guilty of a misdemeanor of the third degree.

If the offender commits the offense while distracted and the distracting activity is a contributing factor to the commission of the offense, the offender is subject to the additional fine established under section 4511.991 of the Revised Code.