605 ILCS 10/33
On April 1, 1968, all duties, obligations, functions and powers of The Illinois State Toll Highway Commission, together with all property, whether real or personal, rights, privileges, interest and any and all other assets whether real, personal or mixed, shall be transferred to and shall vest in The Illinois State Toll Highway Authority, which shall own, operate and control the same in accordance with the provisions of "An Act in relation to the construction, operation, regulation and maintenance of a system of toll highways and to create The Illinois State Toll Highway Commission, and to define its powers and duties and to repeal an Act therein named", approved July 13, 1953, as amended, and all terms, covenants and conditions set forth in any resolutions heretofore or hereafter adopted authorizing and providing for the issuance of Revenue Bonds by The Illinois State Toll Highway Commission under "An Act, in relation to the construction, operation, regulation and maintenance of a system of toll highways and to create The Illinois State Toll Highway Commission, and to define its powers and duties and to repeal an Act therein named", approved July 13, 1953, as amended, except as herein provided. The chairman and commissioners of The Illinois State Toll Highway Commission shall serve as the chairman and directors, respectively, of the Authority, with all of the rights, privileges and emoluments of such officers until such appointments are made by the Governor under Section 3 of this Act.
It is the intention and purpose of this Section to transfer management and operation of the existing toll highways of The Illinois State Toll Highway Commission to the board of directors of The Illinois State Toll Highway Authority, but to require that the Authority comply with all covenants, conditions, terms and provisions imposed by "An Act in relation to the construction, operation, regulation and maintenance of a system of toll highways and to create The Illinois State Toll Highway Commission, and to define its powers and duties and to repeal an Act therein named", approved July 13, 1953, as amended, until after all obligations of any kind or character whatsoever incurred by The Illinois State Toll Highway Commission under that Act have been paid in full from revenues, or income from whatever source derived, including but not limited to bonds issued under Section 17 herein. Title to such toll highway or toll highways after all such obligations have been paid in full shall be vested in the Authority hereby created, and the Authority hereby created is authorized to continue to establish tolls, rates and charges for use of such facilities and pledge the income therefrom, after maintenance and operation costs, to the payment of any or all bonds issued under this Act, until all bonds issued by the Authority under this Act have been paid in full, notwithstanding any other law to the contrary.
605 ILCS 10/33