November 21, 1944: In order to operate shuttle train service between Sanjo-Ohashi Station and Yamashinaeki-mae Station, a connecting track was set at Yamashinaeki-mae Station.
1944年（昭和19年）11月21日-三条大橋～山科駅前間の折り返し列車運転のため、山科駅前駅に亘り線を新設。