Punawithi BTS Station is an elevated train station on the Chaloem Rajakachak 6th Anniversary Line of the Sukhumvit Line, part of the extended route from On Nut to Bearing, situated above Sukhumvit Road in Bangkok. It is the second station in the extension project of the Sukhumvit Line, which connects On Nut Station to Bearing Station, comprising a total of five stations over a distance of 5.52 kilometers.