 US 78 begins at the Alabama state line, west of Tallapoosa, where the roadway continues to the northwest, concurrent with the unsigned Alabama State Route 4 (SR 4).Southeast of here in Haralson County, US 78 travels concurrent with Georgia State Route 8 (SR 8), which also begins at the state line.They travel just to the south of Wards Lakes, East Wards Lake, and the East Wards Lake Dam, and cross over Sanders Creek.