Not only does the area along the Tozai Line up to Rakusai New Town, including Umezu and Kamikatsura areas, lack a large population, but this area would also compete against the Hankyu Kyoto Main Line.
洛西ニュータウンに至るまでの梅津・上桂地域などの沿線人口がそれほど多くない上に、阪急京都本線と競合する。