No street, alley or public highway not now actually improved and open to public travel shall be opened or maintained through, on or over any land lying in any city or town which belongs to the Commonwealth, without first obtaining the consent of the General Assembly, anything in the charter or ordinances of any city or town to the contrary notwithstanding.
Nothing herein shall be construed as interfering in any way with the present or future plans of any cities or towns in regard to the location and maintenance of sewerage and surface drainage on or through such properties when submitted to and approved by the Governor.