Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4511.30

(A) No vehicle or trackless trolley shall be driven upon the left side of the roadway under the following conditions:

(B) This section does not apply to vehicles or trackless trolleys upon a one-way roadway, upon a roadway where traffic is lawfully directed to be driven to the left side, or under the conditions described in division (A)(2) of section 4511.25 of the Revised Code.

(C) 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.