There are always variables affecting a road, but the impact of preventive maintenance can be this noticeable! What Determines the Load-Carrying Capability of Asphalt Pavement? Asphalt pavement mixes are mostly made of Aggregates (90-95% of the pavement mix, by weight) and Asphalt Binder (4-8% of the pavement mix, by weight). Aggregates provide most of the load-bearing properties of the mix. I.E., crushed stone, gravel, and sand–all hard, inert mineral materials. In contra