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Proving Ground Surface

Noise Generating Surfaces

The cobbles and stone chips of the noise generating surfaces can be used to test tyre development and generate squeaks and rattles for NVH testing.


  • Tyre development
  • NVH
  • Squeak and rattle

Facility Description Cobbles

  • Nominally level cobbled surface 200m long
  • Section with cats eyes and raised white line
  • Entrance can be chained off to allow testing in both directions

Noise Generating Surfaces