No state or local governmental unit and no government official or employee acting in the course of his or her official duties in the administration or enforcement of Section 32-7A-4 and related provisions of this chapter shall be liable for any damages brought directly or indirectly by the injured party or a third party, except for damages resulting from willful and wanton misconduct or gross negligence on the part of the governmental unit, official, or employee.
Ala. Code § 32-7A-19 (1975)