Proving Ground - Twin Horizontal Straights & Stone Road

Performance testing on the twin horizontals.
Twin Horizontal Straights Applications
  • Performance test
  • Coast-down
  • Rolling circumference test
  • Equipment calibration

Facility Description

  • Two straights each 1.6km long joined by banked loops
  • The straights are two lanes wide in both directions
  • The straights are truly horizontal with a 1 in 200 crossfall
  • Calibrated distance markers are located along both straights
Stone Road Applications
Stone road.

  • Durability
  • Underbody protection
  • Stone chip resistance

Facility Description

  • Barford pebble laid on a firm base
  • Barford pebble ranges between 20mm and 5mm