An Act amending the act of April 12, 1957 (P. L. 61, No. 34), entitled "An act authorizing and empowering the Delaware River Port Authority, a body corporate and politic, functioning under the legislation enacted by the Commonwealth of Pennsylvania and the State of New Jersey, and the express consent of the Congress of the United States, to appoint policemen; make rules and regulations for the prevention of disorder, the preservation of safety, and the conservation of traffic on such bridges and in such tunnels and approaches thereto as the commission does or may hereafter operate; to prevent the evasion of the payment of tolls; and providing a penalty for the violation of any such rules or regulations or for the evasion of the attempt to evade the payment of tolls," authorizing the issuance of citations to persons charged with evading or attempting to evade the payment of tolls.