georgia 400 is the main corridor serving the north-central suburbs, and was the only toll road in the metropolitan atlanta area. as of november 23, 2013, the tolls ended and the toll plazas are demolished. it reaches into the northern portion of fulton county and gradually turns northeast before entering forsyth county. the controlled-access portion terminates just northeast of the city of cumming. to the south, it terminates and merges into southbound i‑85 just south of the buckhead business district. cumming/dahlonega is used on i‑285 as the northbound sign, and atlanta/buckhead as the southbound. from i‑85 northbound, it uses buckhead/cumming.