What do surface preservation treatments improve?

• A. Functional pavement characteristics
• B. Structural characteristics
• C. Both functional and structural characteristics
• D. None of the above

Answer: (A)

Surface preservation treatments primarily focus on enhancing the functional characteristics of pavement. These treatments are designed to extend the lifespan of the existing pavement by improving surface conditions, which can lead to better skid resistance, reduced water infiltration, and enhanced aesthetic appearance. By maintaining the surface, these treatments help to preserve the ride quality and overall performance of the pavement.

While surface preservation treatments may have some indirect effects on structural characteristics, their main objective is to optimize functional aspects rather than significantly alter or enhance the pavement's structural integrity. Therefore, the emphasis on improving functional pavement characteristics rather than structural characteristics aligns perfectly with the objective and implementation of surface preservation treatments.