The road is made using a seamless 16K material with displacement.
Single lane gravel road. Islands of grass on the roadside.
The material is applied to any plane (road) with a width of about 4 meters and the corresponding UV with a tile size of 4x18 meters.
In the scene, an example of the use of the material. Displacement height ~8cm. On the sides, the displacement tends to zero.
High quality and resolution textures:
Diffuse, Normal, Glossiness - 4096x16384px, Displacement (32-bit EXR), Ambient Occlusion (not connected): 2048x8192px
faces: 1600
*Vray 6, Corona 7 and up
*when importing from FBX make sure input gamma=1.0 (linear/non-color) for Normal_map