Lot « Back to Glossary IndexAn amount of material or items of similar origin grouped together for quality analysis purposes. Related Articles: Glossary: PDGlossary: PWLBlack Gold - Use of Recycled Asphalt Shingles (RAS) in Asphalt PavementsStudies with Warm Mix - Where are we now?The Asphalt Report Card - Making Sense of Binder Grades