(a) That part of a roadway at intersections ordinarily included within the real or projected prolongation of property lines and curb lines or, in the absence of curbs, 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; and
(c) Notwithstanding the foregoing provisions of this definition, there shall not be a crosswalk where the legislative authority has placed signs indicating no crossing.
(R.C. § 4511.01(LL))