ami Station line was extended to Ichinomiya (43.0 kilometers from the terminus of the Sotob Line) and the Tgane Line began operations later on, Freight operations were discontinued on July 1, 1971.
The line was extended to Ichinomiya in 1897. The Togane Line began operations from June 30, 1900. Freight operations were discontinued on July 1, 1971. It is 43.0 kilometers from the terminus of the Sotobo Line at Chiba Station. 
