Georgia Code Title 40. Motor Vehicles and Traffic § 40-6-370

The provisions of this chapter and the definitions contained in Code Section 40-1-1 shall be applicable and uniform throughout this state and in all counties and municipalities therein, and no local authority shall enact or enforce any ordinance on a matter covered by the provisions of this chapter except as expressly authorized in Code Sections 40-6-371 and 40-6-372.