Okla. Stat. tit. 47, § 47-1-111: Cross walk

(a) That part of a roadway at an intersection included within

the connections of the lateral lines of the sidewalks on opposite

sides of the highway measured from the curbs or, in the absence of

curbs, from the edges of the traversable roadway;

(b) Any portion of a roadway at an intersection or elsewhere

distinctly indicated for pedestrian crossing by lines or other

markings on the surface.