36 Pa. Stat. § 3451
In addition to the powers conferred by an act, approved the ninth day of June, one thousand nine hundred and nineteen (Pamphlet Laws, eight hundred fourteen), entitled "An act providing for the erection and construction by the Commonwealth of Pennsylvania and the State of New Jersey of a bridge over the Delaware River, connecting the city of Philadelphia and the city of Camden, and the approaches thereto; providing for a joint commission for that purpose, and defining its powers and duties; providing for an independent commission in this Commonwealth in relation thereto, and defining its powers and duties; providing for the payment of a part of the cost thereof by the city of Philadelphia; and providing for the acquiring, taking, and condemnation of the real estate for the site and approaches thereof; providing for the turning over of said bridge upon its completion; and making an appropriation for the purposes of this act," and its amendments, the said joint commission is hereby further authorized and empowered to exercise the following additional powers, and perform the following additional duties:
Said joint commission is hereby authorized and empowered to have prepared the necessary and proper plans and specifications, and to build, construct, and equip, or have built, constructed, or installed the equipment of, the said bridge and the approaches and plazas appurtenant thereto, together with rails, tracks, or other appliances and facilities, in such number and kind and in such manner as may be decided upon by the said joint commission, for the use of railroad trains or street passenger railway cars, or both, or other vehicles or means of transportation operated by electric, steam, or other motive power, together with such stations, platforms, signals, switches, towers, conduits, pipes, wiring, and electric or other power transmission facilities and substations, in connection therewith, as may be deemed necessary or convenient. The said joint commission shall have power to provide any and all other equipment, including power houses and power generating facilities, rolling stock, engines, cars, or other vehicles or transportation facilities, as may be deemed necessary or convenient for use in connection with the operation of said railways or railroads or other vehicles or transportation facilities across the said bridge.
36 P.S. § 3451