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The NZ Transport Agency uses the Austroads Guide to road design (external link) as the primary reference guideline for our road network. The State Highway Geometric Design Manual (SHGDM) remains a reference document. This section provides advice about the use of the Austroads guide and supplementary information for practitioners as projects transition from the SHGDM through their lifecycle.

It also provides additional policy and design advice on road construction industry related issues.

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