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Gripping yarns – newsletter from the Skid Technical Advisory Group

Published:
Category: Guidance for specialists | Audience: Road traffic engineers & consultants

Gripping yarns, the newsletter from the Skid Technical Advisory Group, is a biannual publication produced to inform NZ Transport Agency staff and suppliers of the latest developments in skid resistance and skid resistance management on the state high…

Colour indicator test for the presence of adhesion agent in chip seal binders (T30)

Published:
Category: Construction , Surfacing , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The T30 laboratory test method is used to detect the presence of adhesion agent chemicals in cutback bitumen used as a binder for chip sealing.

Standards and Guidelines Update – 27 June 2024

Published:
Category: Land developers , Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

This newsletter provides key updates and a summary of recent revisions to existing standards and addition of new standards on the NZ Transport Agency Waka Kotahi (NZTA) register of Standards and Guidelines, and identifies NZTA standards that are curr…