Division 3.1 Track characteristicsF1

The test track shall have the following characteristics:

1. (1)

   The surface shall have a dense asphalt surface with a uniform gradient of not more than 2 % and shall not deviate more than 6 mm when tested with a 3 m straight edge.

2. (2)

   The surface shall have a pavement of uniform age, composition, and wear. The test surface shall be free of loose material and foreign deposits.

3. (3)

   The maximum chipping size shall be 10 mm (tolerances permitted from 8 mm to 13 mm).

4. (4)

   The texture depth as measured by a sand patch shall be 0,7 ± 0,3 mm. It shall be measured in accordance with ASTM E 965-96 (Reapproved 2006).

5. (5)

   The wetted frictional properties of the surface shall be measured with either method (a) or (b) in section 3.2.