"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 (dalam bahasa Jepang). 9 September 2022. Diarsipkan dari asli tanggal 9 September 2022. Diakses tanggal 1 February 2024.
"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 (dalam bahasa Jepang). 9 September 2022. Diarsipkan dari asli tanggal 9 September 2022. Diakses tanggal 1 February 2024.