When any public road is a principal means of access to the Preston School of Industry the Department of the Youth Authority, with the consent of the Department of Finance, may arrange with the California Highway Commission or the board of supervisors of the county in which the road is located for the employment of the inmates of the school in the improvement or maintenance of the road, under supervision of the officers of the school and without compensation to the inmates so employed.
Ca. Welf. and Inst. Code § 1125.5