If weight taxes increase linearly in order to distribute road wear, heavy vehicles are a steal. The rule of thumb is that road wear increases scale with respect

If weight taxes increase linearly in order to distribute road wear, heavy vehicles are a steal. The rule of thumb is that road wear increases scale with respect to the fourth power[1][2] of vehicle weight. Taxing at a linear rate would disproportionately affect lighter vehicles. 1. ! 2. https://en.wikipedia.org/wiki/AASHO_Road_Test https://en.wikipedia.org/wiki/AASHO_Road_Test