313.03 TRAFFIC CONTROL SIGNAL TERMS AND LIGHTS.
   Whenever traffic is controlled by traffic control signals exhibiting different colored lights, or colored lighted arrows, successively one at a time or in combination, only the colors green, red and yellow shall be used except for special pedestrian signals carrying words or symbols. The lights shall indicate and apply to drivers of vehicles and to pedestrians as follows:
   (a)   Green Indication:
      (1)   Vehicular traffic facing a circular green signal may proceed straight through or turn right or left unless a sign at such place prohibits either such turn. But vehicular traffic, including vehicles turning right or left, shall yield the right of way to other vehicles and pedestrians lawfully within the intersection or an adjacent crosswalk at the time such signal is exhibited.
      (2)   Vehicular traffic facing a green arrow signal, shown alone or in combination with another indication, may cautiously enter the intersection only to make the movement indicated by such arrow, or such other movement as is permitted by other indications shown at the same time. Such vehicular traffic shall yield the right of way to pedestrians lawfully within an adjacent crosswalk and to other traffic lawfully using the intersection.
      (3)   Unless otherwise directed by a pedestrian-control signal as provided in Section 313.05, pedestrians facing any green signal, except when the sole green signal is a turn arrow, may proceed across the roadway within any marked or unmarked crosswalk.
   (b)   Steady Yellow Indication:
      (1)   Vehicular traffic facing a steady circular yellow or yellow arrow signal is thereby warned that the related green movement is being terminated or that a red indication will be exhibited immediately thereafter when vehicular traffic shall not enter the intersection.
      (2)   Pedestrians facing a steady circular yellow or yellow arrow signal, unless otherwise directed by a pedestrian-control signal as provided in Section 313.05, are thereby advised that there is insufficient time to cross the roadway before a red indication is shown and no pedestrian shall then start to cross the roadway.
   (c)   Steady Red Indication:
      (1)   A.   Vehicular traffic facing a steady circular red signal indication, unless entering the intersection to make another movement permitted by another signal indication, shall stop at a clearly marked stop line; but if there is no stop line, traffic shall stop before entering the crosswalk on the near side of the intersection; or if there is no crosswalk, before then before entering the intersection; and shall remain stopped until a signal indication to proceed is displayed except as provided in subsections (c)(1), (2) and (3) of this section.
         B.   Except when a traffic control device is in place prohibiting a turn on red or a steady red arrow signal indication is displayed, vehicular traffic facing a steady circular red signal indication is permitted, after stopping, to enter the intersection to turn right, or to turn left from a one-way street into a one-way street. The right to proceed with the turn shall be subject to the provisions that are applicable after making a stop at a stop sign.
      (2)   A.   Vehicular traffic facing a steady red arrow signal indication shall not enter the intersection to make the movement indicated by the arrow and, unless entering the intersection to make another movement permitted by another signal indication, shall stop at a clearly marked stop line; but if there is no stop line, before entering the crosswalk on the near side of the intersection; or if there is no crosswalk, then before entering the intersection; and shall remain stopped until a signal indication or other traffic control device permitting the movement indicated by such red arrow is displayed.
         B.   When a traffic control device is in place permitting a turn on a steady red arrow signal indication, vehicular traffic facing a steady red arrow indication is permitted, after stopping, to enter the intersection to turn right or to turn left from a one-way street into a one-way street. The right to proceed with the turn shall be limited to the direction indicated by the arrow, and shall be subject to the provisions that are applicable after making a stop at a stop sign.
      (3)   Unless a sign is in place prohibiting a left turn as provided in subsection (c)(5) hereof, vehicular traffic facing a steady red signal on a one-way street that intersects another one-way street on which traffic moves to the left may cautiously enter the intersection to make a left turn into the one-way street after stopping as required by subsection (c)(1) hereof, and yielding the right of way to pedestrians lawfully within an adjacent crosswalk and to other traffic lawfully using the intersection.
      (4)   Unless otherwise directed by a pedestrian-control signal as provided in Section 313.05, pedestrians facing a steady red signal alone shall not enter the roadway.
      (5)   Council may by ordinance, or the authorized local authority may by rule, prohibit a right or a left turn against a steady red signal at any intersection, which shall be effective when signs giving notice thereof are posted at the intersection.
   (d)   Signals; Locations Other Than Intersections: In the event an official traffic control signal is erected and maintained at a place other than an intersection, the provisions of this section shall be applicable except as to those provisions which by their nature can have no application. Any stop required shall be made at a sign or marking on the pavement indicating where the stop shall be made, but in the absence of any such sign or marking the stop shall be made at the signal. (ORC 4511.13)