Within the proof-of-concept of the project, a large part of Flanders was covered, and results were worked out in detail for a selected region of the South of Ghent, Belgium. Three road surface indicators were derived:

Pavement noise label. As engine noise is being reduced by improved engine and muffler design stimulated by European vehicle noise policy, and as the market share of hybrid and electric vehicles will increase over the coming years, the contribution of rolling noise in environmental noise is prone to significantly increase. Tires and road pavement both contribute to rolling noise, hence tire noise labeling and road pavement labeling have been proposed. Road pavement choice and maintenance could become an important tool for environmental agencies in their noise action plans developed according to the European Noise Directive 2002/49/EC. For every road segment, the noise label is derived from the spectral deviation dL (in dB) of the road segment compared to the standard surface.

Macrotexture spectrum. Macrotexture refers to spatial irregularities in the road pavement with characteristic lengths between a couple of cm and 1m. Macrotexture can be indicative for road surface wear and degradation. By carefully tuning the indicator, joints on bridges and concrete plates can be included or not. The macrotexture spectrum (in dB) is computed for every road segment.

Waviness. Waviness of the road is important for passenger comfort and cargo safety. It is also indicative for the state of the foundation of the road. The amplitude of waviness is determined at spatial wavelengths of 2 m and 10 m.