(a) No person shall drive upon, along or across a street or highway, or any part of a street or highway that has been closed in the process of its construction, reconstruction or repair, and posted with appropriate signs by the authority having jurisdiction to close such street or highway.
(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 4511.71)