Descriptions of the Measures

Amenity Customer Outcome 2 and Technical Output 1 - Peak and Average Roughness

The 85th and 95th percentile roughness of your roads

The aim of this measure is to demonstrate the smoothness of the journey, by measuring the Roughness of your roads, using percentiles to describe the variation in road section(s).

The classification table returns the NAASRA values for various percentiles and the average within the One Network Road Classification (ONRC) . The data comes from the Roughness table.

The percentile comparison graph shows your network, Peer Group , Region and the Nation .