This mod will add multiple trade routes to your standard EU4 game.
Short version note:
- 28 new trade routes
- 1 trade route removed (Alexandria to Genoa replaced by added trade routes)
- 1 trade route direction changed (Genoa to Sevilla now flow the other way)
- Unzip it in Documents/ParadoxInteractive/EU4/mod
- Launch EU4 and select the mod in the list