GA4 or GA 4 may refer to: Georgia's 4th congressional district, a congressional district in the U.S. state of Georgia Georgia State Route 4, a state highway in the eastern part of the state U.S. Route 1 in Georgia, a US highway that is mostly concurrent in the state with SR 4 Georgia State Route 4 (1919–1929), a highway that existed from the Alabama state line to Fairmount. Gibberellin A4, a form of the gibberellin plant hormone Google Analytics' fourth generation, released in 2020 See also Georgia 4-H