Okla. Stat. tit. 66, § 66-143: Rights of adjacent land owners

Any person owning or occupying land adjacent to any railroad

track shall have the right to attach to the fence constructed along

the track or right-of-way of said railroad company, any wires boards

or other material, so as to make the fence of said railroad company

sufficient to prevent any hogs or pigs from getting upon the track

of said railroad company.