Osaka Municipal Subway Timetable revision on March 24, 2018
http://www.kotsu.city.osaka.lg.jp/general/announce/w_new_info/w_new/list_h29_all/20180216_r1r4dia_henko.html
・Midousuji Line
Train frequency in the morning on weekdays : every 135 or 150 seconds→every 135 seconds
6 northbound trains in the evening will be extended : For Nakatsu → For Shin-Osaka
6 southbound trains in the evening will be added
1 southbound trains in the evening will be extended : For Tennoji → For Nakamozu
・Chuo Line
Train frequency for cosmosquare in the morning on weekdays : every 225 seconds → every 195 or 225 seconds
2 trains for cosmosquare will be added after the current last train : Nagata 23:43 → Cosmosquare 0:12
Nagata 0:04 → Cosmosquare 0:33
1 train after the last train bound for Gakken-Nara Tomigaoka will be added : Cosmosquare 23:32 → Gakken-Nara Tomigaoka 0:24
1 train after the last train bound for Nagata will be added : Cosmosquare 23:48 → Nagata 0:17