On the other hand, in the Osaka area, at the outset the company had a plan to construct a station at Koraibashi as the starting point; however, it was obliged to change it to Tenmabashi under the pressure imposed by Osaka City (see the section on Municipal Monroe Doctrine), and since then the line's extension to the center of the city has been the company's long-cherished wish.
また、大阪側は本来高麗橋を起点とする予定が大阪市の圧力で天満橋に変更を余儀なくされ（市営モンロー主義の項目を参照）、それ以来中心部への乗り入れは京阪の悲願となる。