In the past, when the trains didn't carry the rollsign at the front face, they used the round-shaped directional signboard, and to distinguish the trains those between Yodoyabashi Station and Sanjo Station used the red-background board with white letters while those between Yodoyabashi and Kuzuha Station carried the white background board with red letters.
前面の表示幕がない時代の方向板は丸形のものを使用しており、淀屋橋～三条間が赤地に白文字、淀屋橋～樟葉間が白地に赤文字と区別していた。