I think the only solution is to have separate freight and passenger rail past a certain scale. (Though Switzerland without high speed passenger rail (because the Takt doesn't need it, I'm told) perhaps can delay this a bit longer.)

A last mile thing like this to help feed the separate freight network, but should thought of a solution in lieu of it.

The important thing to realize is that Europe is actually worse than the US regarding freight rail, despite being so much better at passenger rail.