Simon Clader is a highly regarded UK travel writer. He keeps most information fairly light but is very well connected to the travel industry.
In this feature there is a new direction for UK rail operations to run alongside existing ones
https://link.e.independent.co.uk/view/60e4533efffa5b64c34fabfbf4yfs.1ebj/8ed824f4
Then a a slightly more detailed explanation plus how this is happening across Europe too
Lumo trains from London to Edinburgh: Tickets, timetable and more | The Independent
It's a bit lightweight for serious rail fans but may entertain some.
In this feature there is a new direction for UK rail operations to run alongside existing ones
https://link.e.independent.co.uk/view/60e4533efffa5b64c34fabfbf4yfs.1ebj/8ed824f4
Then a a slightly more detailed explanation plus how this is happening across Europe too
Lumo trains from London to Edinburgh: Tickets, timetable and more | The Independent
It's a bit lightweight for serious rail fans but may entertain some.