The Keihan Main Line (Keihan Hon-sen) is a railway of Keihan Electric Railway connecting Yodoyabashi Station located in Chuo Ward, Osaka City, Osaka Prefecture (Osaka City) with Sanjo Station in Higashiyama Ward, Kyoto City, Kyoto Prefecture (Kyoto Prefecture).
京阪本線（けいはんほんせん）は、大阪府大阪市中央区(大阪市)の淀屋橋駅から京都府京都市東山区の三条駅(京都府)までを結ぶ京阪電気鉄道の鉄道路線。