In 1904, the section between Fukuchiyama and Shin-Maizuru (currently Higashi-Maizuru Station) by way of Ayabe--which was rushed by the military in order to open to traffic up to the Maizuru army base as a military railway for the strategy against Russia--was opened to traffic under the control of the government.
1904年、軍部からの要請で対ロシア戦略の軍用鉄道として舞鶴鎮守府までの開通を急がされた福知山～綾部～新舞鶴（現在の東舞鶴駅）間が官設で開通。