(a) (1) Upon a roadway designated and posted with signs for one-way traffic, a vehicle shall be driven only in the direction designated.
(2) A vehicle passing around a rotary traffic island shall be driven only to the right of the rotary traffic island.
(b) Except as otherwise provided in this subsection, 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.
(ORC 4511.32)