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The System Design and Delivery Technical advice note (TAN) is a formal memo which keeps all relevant people up to date and aware of any new releases, interim acceptances, changes and updates to technical information, specifications, legislation, etc in relation to highway projects.

This is being used in place of the email memos you may have been receiving from the technical teams across the Highways and Network Operations group.

The Technical advice note series should be seen as the one source of truth associated with changes to our technical requirements.

It is sent to registered users, both internal and external to the NZ Transport Agency.

Subscribe to the SD&D Technical advice note - the one source of truth for highways information.

For further information contact hip.feedback@nzta.govt.nz.

#17-02 New Multi criteria analysis for transport business cases guidelines for consultation

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

A new document has been released for consultation with users/stakeholders to gain feedback on the Multi criteria analysis for transport business cases guidelines.

#17-01 Asphalt depths at high stress locations for new pavements and renewals

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The Austroads Guide to pavement technology part 2: pavement structural design and the associated New Zealand supplement (Transit 2007) are used to design pavements in New Zealand. These documents consider the effect of vertical stresses at the pavement surface, and the impact on the tensile strains at the bottom bound layers (asphalt or cemented materials) and compressive strains at the subgrade level.

#16-19 Business case approach online modules

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: NZ Transport Agency

Update on the status of the NZ Transport Agency’s Business case approach capability programme.

#16-18 Wire Rope Safety Barrier systems – post footing issues (updated Dec 2016)

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

Wire Rope Safety Barrier systems – post footing issues (updated December 2016)

#16-17 Road safety barrier accreditation scheme

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

Road safety barrier accreditation scheme gets green light for safety.

#16-16 Update to the Guide to assessing road- traffic noise using NZS 6806 for state highway asset improvement projects

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The Guide to assessing road- traffic noise using NZS 6806 for state highway asset improvement projects has been updated.

#16-15 Update to state highway manuals SM021, SM030 and SM031

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The SM021, SM030 and SM031 State highway manuals have been updated.

#16-14 Stormwater specification for state highways

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The P46 State highway stormwater specification sets out the design and construction stormwater requirements for all state highway improvement projects, however a construction specification will still be necessary for construction requirements.

#16-13 Update to preliminary instructions for maintenance and minor improvement works

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

Updates have been made to preliminary instructions for maintenance and minor improvement works.

#16-12 State Highway Plan 2016/17

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The NZ Transport Agency’s State highway plan for 2016/17 is now available. The final details and final version will be confirmed following the financial year end close, and confirmation of financial position.
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