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; * * * and authorizing the Secretary of Transportation to enter into agreements on behalf of the Commonwealth and the commission with the United States Department of Transportation, the Federal Highway Administration or any other Federal agency with respect to obtaining Federal funds for resurfacing, restoring, rehabilitating or reconstructing toll roads in Pennsylvania.