September 10, 1950: Thanks to the completion of sub-main track for inbound trains at Shinomiya Station, the passing station of express inbound trains was changed from Keihan-Yamashina Station to Shinomiya Station.
1950年（昭和25年）9月10日-四宮駅上り副本線の新設に伴い、上り急行列車の待避駅を京阪山科駅から四宮駅に変更。