: Save your design as a .tga or .dds file to ensure the game can read it.

: You may need to reference your new texture in the bus's .bus or .cti configuration files so the game knows to display it as a physical object in the window. Note on .rar files

Place the extracted folders (usually Vehicles , Maps , or Sceneryobjects ) into your main installation folder.

: Move the finished file into the Texture folder of the specific bus you are using (located within the OMSI 2/Vehicles/ directory).

To create a custom sign, you can follow these general steps found in community tutorials like this YouTube guide :

: Use a graphic editor like Paint.net to create the layout of your sign (e.g., route numbers or destination names).