75 Pa.C.S. § 6113: Control of public travel on private property by owner.

(a) General rule.--Nothing in this title shall be construed to prevent the owner of real property used by the public for purposes of vehicular travel by permission of the owner, and not as a matter of right, from prohibiting such use, or from requiring other or different or additional conditions than those specified in this title, or otherwise regulating such use as may seem best to such owner.

(b) Enforcement.--The owner of real property which is ten contiguous acres or more in size may request the local authority to enforce the observance of speed limits and traffic-control devices on his property, providing the property has been posted in accordance with departmental regulations.