331.16 RIGHT-OF-WAY WHEN TURNING LEFT.
   The operator of a vehicle intending to turn to the left within an intersection or into an alley, private road, or driveway shall yield the right-of-way to any vehicle approaching from the opposite direction which is within the intersection or so close thereto as to constitute an immediate hazard.
(ORC 4511.42)
Penalty - see Sections 307.01 and 307.02