You need to approach or exceed a roads per-axel weight limit to do any damage or serious wear. Trucks and permit loads are pretty much the only things that get

You need to approach or exceed a roads per-axel weight limit to do any damage or serious wear. Trucks and permit loads are pretty much the only things that get close. Beyond the elastic limit, damage is an exponential function of the pavement loading, but only once that certain minimum psf is hit. For the majority of a highway's loading curve, the damage-per-force is essentially nil. Plastic deformation and serious fatigue only start as you approach the design limits. It's 99%+ because cars don't do any real wear or damage to pavement from typical use.