Mino-Arima Electric Tramline (Mino-Arima denki kido), which was founded in 1907, began operating the section between Umeda Station and Takarazuka Station as well as the section between Ishibashi Station (Osaka Prefecture) and Mino Station, which respectively correspond to the current Takarazuka Line and the Mino Line, on March 10, 1910,
1907年に設立された箕面有馬電気軌道が、1910年3月10日に現在の宝塚本線・箕面線にあたる梅田駅～宝塚駅、石橋駅(大阪府)～箕面駅を開業したのが始まり。