It can be tiled to create more big world (flighsim?)
The textures are provided to 8K and the terrains RAW 16 datas are provided to 2K with 3 color variations.
Diffuse textures are not color/editable, but you can add your own, with another splatting layer
to draw roads or anything you want.
If you want more? Take a look here : http://u3d.as/29QM