Until the Keihan Oto Line opened to traffic in 1989, most buses arrived at and departed from Sanjo Station (Kyoto Prefecture), and there were some buses called "relay buses" between Sanjo Keihan and Demachiyanagi Station.
1989年の京阪鴨東線が開業するまでは大半が三条駅(京都府)発着であり、三条京阪～出町柳駅まではリレーバスと称されている時期があった。