August 1, 1967: The installation of the ground equipment of ATS was completed between Yodoyabashi Station and Owada Station (except for local train lines in the quadruple-track sections), and limited express trains began using ATS.
1967年（昭和42年）8月1日淀屋橋～大和田間（複々線区間の緩行線を除く）にATS地上設備設置完了、特急列車がATS使用開始。