Three years ago i wrote a thread on the other platform about #Wikidata loves #railways:
Based on items about railway stations linked through the "adjacent station" property (https://wikidata.org/wiki/Property:P197) we can query beautiful topological maps of railway lines.
For Austria there is a lot of work to do: https://w.wiki/dTi (edited Query 2024-07: https://w.wiki/AbEg)
[Three years later, we can see a lot of work is done, not everything accurate but things are growing]