(a) An authority may issue revenue bonds at any time and for any amounts it considers necessary or appropriate for:
(1) the acquisition, construction, repair, equipping, improvement, or extension of its transit system; or
(2) the construction or general maintenance of streets of the creating municipality.
(b) Bonds payable solely from revenues may be issued by resolution of the board.
(c) Bonds, other than refunding bonds, any portion of which is payable from tax revenue may not be issued until authorized by a majority vote of the voters of the authority voting in an election.