Division 2.2.4 The surface of the track shall show a good coefficient of adhesion.

The Skid Resistance Index (‘SRI’) of the surface shall be measured in accordance with Standard CEN/TS 13036-2: 2010 Road and airfield surface characteristics – Test methods – Part 2: Assessment of the skid resistance of a road pavement surface by use of dynamic measuring systems.

The mean value of the SRI shall be reported.