This part complete and additional authority.

(1) The powers conferred by this part are in addition and supplemental to the existing powers of the department and the governing body of the agency, and this part may not be construed as repealing any of the provisions of any other law, general, special, or local, but to supersede such other laws in the exercise of the powers provided in this part and to provide a complete method for the exercise of the powers granted in this part. The extension and improvement of the expressway system, and the issuance of bonds pursuant to this part to finance all or part of the cost of the system, 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 Miami-Dade County, in Monroe County, or in any other political subdivision of the state, is required for the issuance of such bonds pursuant to this part, including, but not limited to, s. 215.821.

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