Okla. Stat. tit. 69, § 69-615: Convicts to perform road work - Credit for work -

Authority of road supervisors.

Any person in this state convicted of a crime who, as a result

of such conviction, is confined as a prisoner in a county jail of

any county may, at the discretion of the board of county

commissioners of such county in which the jail is located, be

required by the board of county commissioners to perform road work

on the public highways of the county and upon the streets of any

municipality located in the county. When such prisoner shall

perform the road work in a satisfactory manner, under the

supervision of any road supervisor of the county or municipality

having jurisdiction over the person, the prisoner shall be entitled

to two (2) day's credit on his time in the jail for each day

consisting of eight (8) hours of road work performed by the person

and he shall be recorded as having served two (2) days in the jail

on his judgment and sentence. Any road supervisor having under his

supervision any prisoner or prisoners for the purpose of performing

road work, as herein provided, shall be deputized as a deputy

sheriff or special police officer with full authority of law as

deputy sheriff or police officer for the purpose of properly

carrying out the provisions of this section and shall be responsible

under the law in the same manner as other officers are responsible

for safekeeping of prisoners and shall be subject to the same

penalties.