It HAS NOT worked great for Sweden.
Source: I live in Sweden there was a DN article recently about it. Here it is
Mirror: https://web.archive.org/web/20240721074607/https://www.dn.se...
(Its all too segmented, the trains, the track all different companies now nobody sees the full picture)
Mirror: https://web.archive.org/web/20240726054426/https://www.dn.se...
(The land is not enough to fix trains and the land next to it was reserved but somehow sold to build a sports arena because the train land section became a company that had to post good numbers)
I hear UK is not too happy about their rail too. https://youtu.be/DlTq8DbRs4k?si=yNWcAUZ69nN1B29O
Seems like it just does not work to separate rail and traffic like that.