(a) When lane-use control signals are placed over individual lanes of a street or highway, such signals shall indicate and apply to drivers of vehicles as follows:
(1) A Steady Downward Green Arrow: Vehicular traffic may travel in any lane over which a green arrow signal is shown.
(2) A Steady Yellow "X": Vehicular traffic is warned to vacate in a safe manner any lane over which such signal is shown to avoid occupying that lane when a steady red "X" signal is shown.
(3) A Flashing Yellow "X": Vehicular traffic may use with proper caution any lane over which such signal is shown for only the purpose of making a left turn.
(4) A Steady Red "X": Vehicular traffic shall not enter or travel in any lane over which such signal is shown. (ORC 4511.131)
(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 4511.99)