36 Pa. Stat. § 3501
There is hereby created a Delaware River Bridge Commission, to be known as the Pennsylvania Commission Number Two, which shall be composed of the Governor, the Auditor General, the State Treasurer, the mayor of the city of Philadelphia, and four other citizens of the Commonwealth, two of whom shall be appointed by the Governor and two by the mayor of the city of Philadelphia.
The Pennsylvania Commission Number Two is hereby authorized to act, jointly and in agreement with the New Jersey Interstate Bridge and Tunnel Commission, or with such other board, commission or body as may be duly constituted by the State of New Jersey, as a joint commission, and to proceed by full and complete borings, surveys, engineering studies, investigations, bearings, and all other matters incidental and pertaining thereto, to determine the proper location, type of construction, and cost of construction, operation, and maintenance of an additional bridge, with the necessary approaches thereto, across the Delaware River connecting the city of Philadelphia, Pennsylvania, at a point between Snyder Avenue and the mouth of the Schuylkill River, with a corresponding point in the State of New Jersey. The exact location of said proposed bridge shall be fixed by joint commission.
36 P.S. § 3501