Empirical studies apparently find road wear matches a power law. Although it seems the exponent varies. Here's a survey https://www.nzta.govt.nz/assets/resour

Empirical studies apparently find road wear matches a power law. Although it seems the exponent varies. Here's a survey https://www.nzta.govt.nz/assets/resources/603/RR-603-The-relationship-between-vehicle-axle-loadings-and-pavement-wear2.pdf https://www.nzta.govt.nz/assets/resources/603/RR-603-The-rel...