When the track was electrified as far as Kyoto, local trains started to run between Kyoto and Akashi and the original form of current Keihanshin Local Line was completed, as with express trains running between Kyoto and Kobe, that mainly used 'Ryuden' cars (a streamline-shaped car) Moha 52 and Hanryu (a semi-streamline-shaped car) 43, became the origin of the current Special Rapid and Rapid service.
そして、京都までの電化開業後、緩行の運転区間も京都～明石間に延長され、「流電」モハ52や半流43系を主体とした京都～神戸間の急電が現在の新快速・快速の源流になったのと同様、現在まで続く京阪神緩行線の原型がここに確立したのである。