牟岐線
The Awa Steamship company was nationalized on 1 September 1917, and Japanese Government Railways (JGR) took over control of the station and operated it as part of the Komatsushima Light Railway and later, the Komatsushima Line. On 1 July 1936, the Anan Railway was nationalized and became part of the Mugi Line. On 1 April 1961, the starting point of the Mugi Line was shifted to . Chūden now became the starting point of the Komatsushima Line. On 14 March 1985, the Komatsushima Line was closed and Chūden was then served only by the Mugi Line.