This part complete and additional authority.

(1) The powers conferred by this part shall be in addition and supplemental to the existing respective powers of the authority, the department, the county, and the city, if any, and this part shall not be construed as repealing any of the provisions of any other law, general, special, or local, but shall be deemed to supersede such other law or laws in the exercise of the powers provided in this part insofar as such other law or laws are inconsistent with the provisions of this part and to provide a complete method for the exercise of the powers granted herein. The construction, reconstruction, improvement, extension, repair, maintenance, and operation of the expressway system, and the issuance of bonds hereunder to finance all or part of the cost thereof, may be accomplished upon compliance with the provisions of this part without regard to or necessity for compliance with the provisions, limitations, or restrictions contained in any other general, special, or local law, including, but not limited to, s. 215.821, and no approval of any bonds issued under this part by the qualified electors or qualified electors who are freeholders in the state or in the county or in the city or in any other political subdivision of the state shall be required for the issuance of such bonds.

(2) This part does not repeal, rescind, or modify any other law or laws relating to the State Board of Administration, the Department of Transportation, or the Division of Bond Finance of the State Board of Administration, but shall supersede such other law or laws as are inconsistent with the provisions of this part, including, but not limited to, s. 215.821.