JR Hokkaido's Kiha 40 to end in March 2025.
But it's only part of the Hakodate Main Line and Nemuro Main Line anymore.
https://news.yahoo.co.jp/expert/articles/af30565d2cf6d2fc0ce127571f0bd5bab9ce8580
https://news.yahoo.co.jp/expert/articles/ce103c650fa345abe658f440e205fc3f4417eaf1
The purple water specification is said to remain for tourism.
