349.21  Powers conferred by s. 212.055(1).--Notwithstanding any other provision of law, any transportation authority created by this chapter shall have all the powers conferred by s. 212.055(1). The revenues provided by this section shall be used to pay principal and interest on bonds for which tolls have been pledged. The powers provided by this section shall expire when all such bonds in existence on the effective date of this act have been retired.