Yeah, and it’s no where near a linear relationship
It seems fairly commonly accepted that road damage scales with weight to the FOURTH power.
(Inside Science) -- It may be obvious that heavy semitrucks stress and damage roads more than the average commuter sedan does. But by how much? Since the 1960s, the Generalized Fourth Power Law has been used as a rule of thumb when considering the relative damage done to the pavement depending...
www.insidescience.org
So everyone please spare me the nonsense about somebody paying extra for their 32 mpg compact sedan because they pay less gas tax than a RAM 3500 on mud tires. Doubling vehicle weight with the same number of axles yields about 16x the road wear. Do you think they are paying 16x the gas tax?
In realty this is another way we subsidize things we probably shouldn’t be subsidizing, why it is as cheap as it is to ship things by semi-truck or own a giant personal truck