Allow you to change where will your caravan enter the map. So you don't have the pic related happen.
A new designating spot called "Caravan Entry Spot" will be in the Misc architect tab. Caravan enter a map with one placed will arrive at the spot instead.
For the 2 players that actually use caravaning.
[url=https://steamcommunity.com/sharedfiles/filedetails/?id=1546494565] Change map edge limit [/url]is recommended to actually place them near the map edge.