June 23, 1952: The A-express started operating as a type of train that extended the service of express trains between Tenmabashi Station to Hirakatashi Station as far as to Yawatacho Station, by making a stop at each station from Hirakatashi Station to Yawatacho Station.
1952年（昭和27年）6月23日天満橋～枚方市間の急行を八幡町までの各駅に停車する形で延長したA急行の運行を開始。