Because the effective length of platforms of the stations above Sasayamaguchi Station is for up to six cars, four cars are disconnected from a rapid train that's operated with eight cars at Sasayamaguchi Station, and the rest of the four cars are operated after Sasayamaguchi.
なお篠山口以北はホーム有効長が6両のため、8両編成で運転される場合は篠山口で増解結して以北は4両編成となる。