After the East-West Shuttle buses begin operating on July 1, the e-Mover buses that run inside and around the venue will only operate on certain sections (from the West Gate North Terminal to the East Gate South Stop) until 11:30 a.m.
After 11:30 a.m., they will operate on the full route as usual.
Please check the following website for more details.
https://www.expo2025.or.jp/news/news-20250627-01/

(Please note that this page is only available in Japanese)