The GD808 proving ground was designed by people who never came to an agreement on the location of the turns.
Nevertheless, the asphalt was filled in anyway.

There are four sectors, one paddock and a scoreboard that receives real-time data.
The closed asphalt highway consists of four documented sectors, one continuous circle.
Active lap timing — start/finish scoreboard, three sector scoreboards.
Paddock Record Table — Displays archived data in real time through the program discussion layer.
Eight named appearance points — grid, paddock, pit lane entrance, start/finish, three sector entrances, observation deck.
Wooded ridge — documented elevation changes, no documented exit if you leave the surface.
Compatible with all standard BeamNG vehicles and configurations.