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; ***," authorizing the issuance of summons to persons charged with evading or attempting to evade the payment of tolls.