January 11: Added two more official screenshots from social media.
Saber Porto have teased an upcoming USA map with just a couple of images on Twitter today. However, the map was exposed last month in a bug to online players who could exploit their way to trying out the content early. Various gameplay videos are on YouTube already, showing off forests and mountains of the western United States.
The map is part of a previously announced “USA Tour” DLC.
Here are the official images:
Here is a map I have merged together from the exploit access: