1. Copy the Four Seasons to: "Rail Simulator\Assets\Kuju\RailSimulatorCore\TimeOfDay"
2. The Below information (xml) will go into routes template (your routes.bin file.
Example: to put the following into the Cajon Route, open: "Rail Simulator\Assets\Kuju\RailSimulatorUS\templateRoutes" and look for
"SanBarst.bin" and open it with RSTools and copy the contents below in place of the default ones. Make sure you backup the original files
in case you want to go back to the default ones.
3. Delete the blueprints.pak file.
repeat step 2. for each route you want the four seasons to be used.
Kuju
RailSimulatorCore
TimeOfDay\Spring.xml
Kuju
RailSimulatorCore
TimeOfDay\Summer.xml
Kuju
RailSimulatorCore
TimeOfDay\Autumn.xml
Kuju
RailSimulatorCore
TimeOfDay\Winter.xml