Payware:

Freiburg Basel (für die dunkelbraunen VR-Tracks):
https://www.aerosoft.com/de/bahnsimulation/dovetail-games-train-simulator/strecken/2396/freiburg-basel

Konstanz Villingen (für die rehbraunen VR-Tracks):
https://store.steampowered.com/app/621922/Train_Simulator_KonstanzVillingen_Route_AddOn/

Albula Line - für die Vegetation:
https://store.steampowered.com/app/376966/Train_Simulator_Albula_Line_St_Moritz__Thusis_Route_AddOn/?l=german


Freeware:

Taddel Vegetationspaket: 
https://mega.nz/folder/zvxCjCTC#a_8Pqs4F5q6DunA2QfSr6A