The wearing surface (also Wearing Course) is the top layer of a sealed road. It is specifically designed to resist abrasion from traffic and to minimise the entry of water.
Types of Wearing Surfaces
There are a range of wearing surface options, including;
Road Cross Section
The wearing surface sits atop the road pavement as shown below. It does not typically contribute to the road pavement's structural strength.
External Links & References
- Glossary of Austroads Terms
- Latrobe City Council Reseal Info Sheet
- Anatomy of a Road
- Google Search (Wearing Surface)
- Surfacing Alternatives for Unsealed Rural Roads (World Bank Open Knowledge Repository)
- Google Search (Road Surface)