(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 division (a) of this section is modified at through highways and otherwise as stated in this Traffic Code or Ohio R.C. Chapter 4511.
(ORC 4511.41)