On 1 March 1892, the Mito Railway Co. merged with the Nippon Railway Co.On 1 July 1895, the Joban Line was opened by the Nippon Railway Co., junctioning with the Mito line at Tomobe Station.
*1 июля 1895: Открыта станция Томобэ; Линия Дзёбан соединена с бывшей линией Mito Railway.