(a) The Parkways Authority is authorized to provide by resolution for the issuance of parkway revenue bonds of the state for the purpose of paying all or any part of the cost of one or more parkway projects. The principal of and the interest on bonds shall be payable solely from the funds provided for payment, except that:
(1) None of the proceeds of the issuance of parkway revenue bonds under this section shall be used to pay all or any part of the cost of any economic development project or tourism project;