I remember how the "live map" for public transport in Berlin was actually a map with where the transport should be, not where it actually was. At least that was the case a couple of years ago with VBB =)
I do see some isolated improvements whenever I travel to Germany (mostly to Frankfurt, but what is pain other than Frankfurt am Main), but yeah I sympathize here, and do hope the pushes toward better systems continue
There is travic.app, which uses realtime data, if available.
This also doesn’t seem to move, despite the numerous AI CSS slop badges