Boardgamegeek https://boardgamegeek.com/boardgameexpansion/214005/castles-burgundy-8th-expansion-trade-routes
English - Each player receives a number of cards depending on the number of players. If there are 2 players, each receives 5 “Trading Routes;” with 3 players, each receives 4; and with 4 players, each receives 3. These cards are placed face up side by side above the player board, forming a trading route.