Between Kyoto and Shin-Osaka the trains run on the outer line, and between Shin-Osaka and Osaka the trains run on the inner line (but some trains run on the outer line during the morning rush hour).
京都～新大阪間は外側線、新大阪～大阪間は内側線を走る（朝ラッシュに新大阪～大阪間外側線走行のものもある）。