"西九州新幹線が開業します在来線各線区でダイヤを見直します" [The Nishi-Kyushu Shinkansen will open. We will review the schedule for each conventional line section.] (PDF). jrkyushu.co.jp (in Japanese). 10 June 2022. Archived(PDF) from the original on 10 June 2022. Retrieved 23 June 2022.
mlit.go.jp
"ＪＲ長崎本線（肥前山口～諫早）の鉄道事業許可" [JR Nagasaki Main Line (Hizen Yamaguchi-Isahaya) railway business license] (PDF). mlit.co.jp (in Japanese). 31 January 2022. Retrieved 1 February 2022.
"西九州新幹線が開業します在来線各線区でダイヤを見直します" [The Nishi-Kyushu Shinkansen will open. We will review the schedule for each conventional line section.] (PDF). jrkyushu.co.jp (in Japanese). 10 June 2022. Archived(PDF) from the original on 10 June 2022. Retrieved 23 June 2022.
