This report discusses the current status and developing trends in pavement functional wearing courses for providing skid-resistance, improved rideability, noise reduction etc. including their advantages, disadvantages, and future potential.

Also provided are detailed explanations of common surface treatments such as milling, seal renewal, recycling etc. and their capability to improve or enhance the functional performance of the pavement. Although a certain treatment may have positive effects on more than one functional parameter, these measures are considered separately for each field of application. The treatments are also classified into two categories based on the type of surface: asphalt and cement concrete pavement.

These treatments can be applied during the different phases of pavement construction and maintenance to improve the functional characteristics of the pavement and may also incorporate innovative materials and structural designs and/or adapted construction techniques.