36 Pa. Stat. § 2891
The owners or lessees of any land used for public park purposes, on filing an agreement with the county commissioners to keep any public road within the limits of said park in good order and repair without any expense to the authorities having charge of the same, shall have the right to make rules and regulations, in conformity with existing laws, to govern the use of said roads, within the limits of said park, except they shall have no right to charge toll upon the same; said rules and regulations to be enforced by any sworn officer on sight, or on a warrant thereafter, as the case may be, and any conviction before a magistrate or justice of the peace of any wilful violation of said rules and regulations shall be punished by a fine of ten dollars; or, in default thereof, ten days in the county jail.
36 P.S. § 2891