331.16  RIGHT OF WAY AT INTERSECTIONS.
   (a)   When two vehicles approach or enter an intersection from different streets or highways at approximately the same time, the driver of the vehicle on the left shall yield the right of way to the vehicle on the right.
   (b)   The right of way rule declared in subsection (a) hereof, is modified at through highways and otherwise as stated in this Traffic Code and Ohio R.C. Chapter 4511.
(ORC 4511.41)
   (c)   Subject to compliance with any traffic control device, when two vehicles approach or enter a junction of two or more alleys from different directions at approximately the same time, the driver of the vehicle on the left shall yield the right of way to the vehicle on the right.
   (d)   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 4511.41)