Drop-in ScaleRail track replacement?

I am aware of 3DTrains' ScaleRail conversions for several TS2015 routes, and want to know how to install them as a drop-in replacement of default route tracks, not as a standalone route as with the Cajon conversion. This way I can still run workshop scenarios and scenarios of DLC vehicles for the respective non-ScaleRail versions of the ScaleRail-converted routes.
This works similar to the DBTracks conversions by RWAustria and Trainworks for the German routes.
This works similar to the DBTracks conversions by RWAustria and Trainworks for the German routes.