"2025年3月ダイヤ改正について" [About the March 2025 timetable revision] (PDF). East Japan Railway Company (in Japanese). 13 December 2024. Retrieved 15 March 2025.
大糸線に「駅ナンバー」を導入します [Station numbering to be introduced on Oito Line] (PDF). News release (in Japanese). Japan: East Japan Railway Company, Nagano Division. 7 December 2016. Archived(PDF) from the original on 8 December 2016. Retrieved 8 December 2016.
web.archive.org
大糸線に「駅ナンバー」を導入します [Station numbering to be introduced on Oito Line] (PDF). News release (in Japanese). Japan: East Japan Railway Company, Nagano Division. 7 December 2016. Archived(PDF) from the original on 8 December 2016. Retrieved 8 December 2016.