Train Sim World 3 What German Route Are You Interested In, Which You Really Want To See In Tsw

I agree and why not do it as Nürnberg Treuchtlingen Augsburg/Ingolstadt the later can merge with HMA

 

There are also services between Nuremberg and Augsburg, which run until Treuchtlingen. So there’s a chance to make a giga network

 

Or they could also add the high speed line between Nuremberg and Ingolstadt, with (when set in 2016) Germanys fastest regional train