Asphalt Definitions and Terms

Home Knowledge Base Asphalt Terms Base Course

Latest Posts

TxDOT Letting Report 2023 December

TxDOT Letting Report 2023 November

Seal Coat Brief 20-01: History of Seal Coat Performance Improvement Program

Hall of Fame 2023

Driving Under the Influence

Base Course

Base course is the material layer immediately beneath the surface or intermediate course. It may be composed of crushed stone, crushed slag, crushed or uncrushed gravel, and sand, or hot mix asphalt, typically with larger aggregate.