On the north bank of the Chattahoochee, SR 166 joins the concurrency, and the merged highway continues northward away from the river. SR 154 and SR 166 separate to turn to the southeast, and SR 92 continues its northward course along Fairburn Road into Douglasville. On the south side of town, the highway arcs westward and crosses I-20 at that freeway's exit 37. SR 92 passes into downtown and merges with to run westward with US 78/Georgia State Route 5 /SR 8 for several blocks before turn northward again. North of town, the highway crosses into Paulding County for the first time. There it follows Hiram–Douglasville Highway north into Hiram where it crosses a line of the Norfolk Southern Railway and intersects US 278/SR 6 (Jimmy Lee Smith Parkway).