Unfortunately if one adds decorative trees and bushes we find only green summer trees with leaves available.  Looks very odd!  Could we have a fix to provide winter trees to match the winter environment please?

In Train-Fever menu select ‘New Game’.

You will see a choice of ‘Basic’ and ‘Advanced’.

Select ‘Advanced’.

You will see a list of configurable settings;  select ‘Terrain’.

You will now have a list of possible terrains for your game: ‘European’, ‘American’, ‘Winter’ and also ‘North European’ if you have installed the Nordic DLC.

Select ‘Winter’.

Your generated map will have a snow covered winter landscape.