The inauguration of the Oto Line caused remarkable effects, contributing to the increase not only of commuters along the line but also regular passengers, thanks to the improved accessibility for students to Kyoto University and Doshisha University located near Demachiyanagi Station; additionally, it beneficiated Eizan Electric Railway, which had been suffering severe financial condition due to the decline of passengers, but it promptly recovered its user statistics.
鴨東線開業の効果は大きく、沿線の通勤客のみならず、出町柳駅近くに立地する京都大学や同志社大学などへの通学が大幅に便利になって定期客が増加したり、乗客の減少で経営が悪化していた叡山電鉄が一気に乗客を取り戻すなど大きく貢献している。