According to the new timetable revised in October of 1970, just after Expo'70, newly born Special Rapid trains were put into operation interspacing the then current timetable, so that some local trains were forced to shunt at Ashiya, Shin-Osaka, Takatsuki to let both the New Rapid and Rapid trains to pass.
万博終了後の1970年10月ダイヤ改正で新快速が誕生したが、既存のダイヤの隙間に新快速を増発したため、芦屋、新大阪、高槻で緩行が新快速、快速を連続待避するダイヤとなった。