^"留萌本線「一部廃止」来春にも JR北海道が国交相に届出、残る区間も3年半後まで" [Rumoi Main Line "Partially abolished": JR Hokkaido will notify the Minister of Land, Infrastructure, Transport and Tourism next spring, and the remaining section will be closed 3 and a half years later]. news.railway-pressnet.com (in Japanese). 9 September 2022. Archived from the original on 9 September 2022. Retrieved 1 February 2024.