The Osaka-Kansai Expo is scheduled to be held in Yumeshima in 2025, so the Osaka Metro Chuo Line is rapidly replacing its trains. They look old, but in fact some of the Heisei-born 20-series trains are scheduled to be phased out. The Kintetsu Keihanna Line is being extended from Ikoma to Gakken Nara Tomigaoka, and Kintetsu has made some work to make the undercarriage compatible with 95km/h speeds, but it looks like it will disappear in an instant. The 24-series trains have had their stripes changed, and the Tanimachi Line trains have been replaced with the 22-series trains and the Yotsubashi Line trains with the 23-series trains. (The photo shows a train that has been transferred from the Chuo Line to the Tanimachi Line.) The 30000A series will serve as a stopgap until the end of the Expo, and will be transferred to the Tanimachi Line after the Expo. And then there's the 400 series, which appeared on 6/25 and will likely be the only one left on the Chuo Line after the Expo. They say they've created a beautiful subway for the Expo, but they're also considering connecting buses from Universal Studios Japan or Sakurajima, and even though it's a long way away, connecting buses from Keihan Nakanoshima Station are also planned. If the Chuo Line is extended from Cosmo Square to Yumeshima, it seems overwhelmingly convenient, but I'm worried. In fact, there are only two years left until the construction application for an overseas pavilion, but there hasn't been a single one. I'm also worried about the change in ticket price from 6,000 yen to 7,500 yen (planned). Will the Osaka-Kansai Expo be a success? And after the Expo ends, if the 30,000A series is transferred to the Tanimachi Line and the Ishin government continues, a resort complex (IR) with a casino will be built in Yumeshima, which I personally think will be a flop, but if it becomes popular as the Ishin government expects, the Chuo Line will become an incredibly crowded line. Under the current timetable, trains run every 7.5 minutes between Cosmosquare and Ikoma during the day, and every 15 minutes between Ikoma and Gakken Nara Tomigaoka, with more trains during the morning and evening rush hours. The Ishin Party is aiming to attract as many customers as Tokyo Disneyland, so if they run every 7.5 minutes with 6-car trains, it will be extremely crowded, especially west of Honmachi. If the congestion is severe, they may introduce more 400 series trains. In addition, a new line is planned to branch off from Morinomiya (probably platform 1) in the northeast direction, so it will be interesting to see how the Chuo Line will change. However, this transitional period of old and new trains running together is unlikely to last long, so it is no exaggeration to say that now is the time to ride and photograph the old 20 series and the 24 series that are scheduled to be transferred. However, there is no information yet on the introduction of new trains or replacements for trains that will be running from the Kintetsu Keihanna Line.