Glad you liked that upgrade. I uploaded v7.1.74, but discovered something else which needed improving, so replaced it with v7.1.76 while you lot were still in bed
Changing the track type certainly works across the switches because there are no switches/points as such in RS they are just intersecting tracks. However I do not know about tight curves or the effect on TrackRules, so you may need to make some changes to track rules on some tracks. (I just make the tools, it is up to the user to work out what they can do
The tracks I used were those shown here
http://forums.flightsim.com/vbts/showth ... p?t=274250
from Vias3D.net in Spain. However, the standard gauge versions do not come with winter textures nor the grey trackbed colours. I swapped the grey from the Spanish wide gauge track in the pack.