Okla. Stat. tit. 47, § 47-11-401: Vehicle approaching or entering intersection

A. Whether a stop sign or yield sign is present, visible or

not, the driver of a vehicle shall yield the right-of-way and shall

not proceed until it is safe to do so, when the driver is:

1. On a county road upon approaching an intersection with a

state or federal highway;

2. On a private drive or any road not maintained by the county

or state upon approaching an intersection with a state or federal

highway or a county road;

3. On an unpaved county road upon approaching an intersection

with a paved county road; or

4. On a county road, which ends at, merges with, or does not

otherwise continue directly across an intersecting through county

road, upon approaching the intersection with the through county

road.

For purposes of this subsection, "paved road" means a road

improved with a surface of concrete, asphalt, or what is commonly

referred to as oil and chip, and "unpaved road" means all other

roads.

B. When two vehicles enter or approach an intersection from

different highways at approximately the same time, except as

provided in subsection A of this section, the driver of the vehicle

on the left shall yield the right-of-way to the vehicle on the

right.

C. The right-of-way rules declared in subsections A and B of

this section are modified at through highways and otherwise as

hereinafter stated in this chapter.