Horns have been supplied by Sabreman61.
Installation:
1. Go to C:\Program Files (x86)\Steam\steamapps\common\Train Sim World\WindowsNoEditor\TS2Prototype\Content\Paks
2. Create a new folder with this exact name (without the quotes): "~mods"
3. Cut "TS2Prototype-WindowsNoEditor.pak" and paste it inside "~mods"
4. Put "TS2Prototype_CSX_horn.pak" inside "~mods"
Creator: [YT]CAMOGUY54321™