March 10, 1978: The denomination of the section between Yodoyabashi Station and Tofukuji Station was changed from a tramway, as defined by the Tramways Act, to railway based on the local Railways Act.
1978年（昭和53年）3月10日淀屋橋～東福寺間を軌道法に基づく軌道から地方鉄道法に基づく鉄道に変更。