TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 82: Validation of Performance-Related Test of Aggregates for Use in Hot-Mix Asphalt Pavements contains the appendixces to NCHRP Report 557: Aggregate Tests for Hot-Mix Asphalt Mixtures Used in Pavements. NCHRP 557 examines performance-based procedures to test aggregates for use in pavements utilizing hot-mix asphalt (HMA) mixtures and provides guidance on using these procedures for evaluating and selecting aggregates for use in specific mixture applications.