An Act to facilitate vehicular traffic across the Commonwealth by providing for the construction, reconstruction, improvement, operation and maintenance of toll roads and the conversion of existing toll-free roads to toll roads in Pennsylvania; providing for the reorganization of the Pennsylvania Turnpike Commission; conferring powers and imposing duties on the Pennsylvania Turnpike Commission; providing for an executive director of the Pennsylvania Turnpike Commission and conferring powers and duties on the executive director; authorizing issuance of turnpike revenue bonds, notes or other obligations of the commission, payable solely from revenues of the commission, including tolls, or from such other funds as may be available to the commission for that purpose, to pay the costs of such toll roads; providing that no debt of the Commonwealth shall be incurred in the exercise of any of the powers granted by this act; ***