What I would like to see in addition to sound improvements are layers. Every now and then a freight train would make the route much better. I know that's a pretty unrealistic but you can still dream
And one more thing. There are also a few train stations missing in the scenario planner, for example Delitzsch unt. Bf and Rackwitz in the direction of Markkleeberg Gaschwitz and if you talk about the devil, you can only choose a siding in Markkleeberg Gaschwitz as a starting point
I don't know which Rapid Transit you are playing but so far there are only the DB BR 442 Talent2 Silver and DB BR 182 + Dostos on this route
Surely another layer would help. Adding an ICE 3 train would create a direct route without stops. All other trains would have to dodge. This would have to be redesigned for the entire 24-hour regime and put the LZB into operation.