state route 1 business (sr 1 bus.) was a business route of sr 1 that existed mostly within columbus, georgia. the roadway that would eventually become sr 1 bus. was established at least as early as 1919 as part of sr 1 in the columbus area between the end of 1926 and the end of 1929, the entire length of highway in the area had a "completed hard surface". between the beginning of 1953 and the beginning of 1964, a freeway in the eastern part of columbus was under construction from us 27/us 280/sr 1 (victory drive) southeast of the city to sr 357 (buena vista road). it was projected from there to us 27/sr 1 north-northeast of the city. in 1966, sr 1 was designated on this freeway. its former path through columbus was redesignated as sr 1 bus. in 1975, this freeway was redesignated as part of interstate 185 (i-185; with the unsigned designation sr 411). sr 1 was reverted onto its former path, replacing sr 1 bus.