video preview: https://youtu.be/eG-hGHVKCQY 
The unpaved one-lane road is made using a seamless material with displacement. A small slightly damp clay rut.

The material is applied to any plane (road) with a width of about 4 meters and the corresponding UV with a tile size of 4×16 meters.
faces: 2048
High resolution seamless textures:
Diffuse color – 4096x16384px
NormalMap (input gamma 1.0); Specular/Roughness Map DisplacementMap (openEXR 32-bit height ~10cm)-2048x8192px