O.C.G.A. § 32-10-2 (2019)

(a) The Georgia Highway Authority shall continue to be a body corporate and politic and an instrumentality and public corporation of this state known as the ‘‘Georgia Highway Authority.’’ It shall continue to have perpetual existence. In this name it may contract and be contracted with, sue and be sued, implead and be impleaded, and complain and defend in all courts subject to the limitations of Code Section 32-10-50.

(b) Except as provided in this article, the powers granted by law prior to July 1, 1973, to the Georgia Highway Authority to carry out the purpose for which it was originally created shall not be impaired or diminished. Furthermore, no provision of this article is intended to diminish or impair, nor shall any provision be construed as diminishing or impairing, the rights of the holders of any bonds issued by the Georgia Rural Roads Authority or the Georgia Highway Authority or of the holders of any bonds issued by the Georgia Highway Authority outstanding before July 1, 1973; and should it be determined that any provision of this article does diminish or impair any such right in any manner, such provision is declared to be ineffective to that extent but shall be effective for all other purposes.