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Determination of retroreflectivity

Published: | Category: Materials , Road marking , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification describes the procedure for determining the retroreflectivity of road marking material. A retroreflectometer shall be used having 30 metre geometry, that is, an entrance angle of 88.76°, and an observation angle of 1.05°. The retroreflectometer shall be calibrated against national or international traceable standards.

Publication details

  • Author:
  • Published: 2009
  • Reference: NZTA T16
  • Also known as: T/16