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Applying the Investment Assessment Framework

The information and resources on this page help to explain the Waka Kotahi NZ Transport Agency Investment Assessment Framework (IAF) for the 2018–21 National Land Transport Programme (NLTP) and our approach around making investment decisions.

While the examples of investment proposals listed below are similar to those made by our transport sector partners, they are fictitious examples. To get the best understanding of how we might apply the IAF, please also read the IAF. You may also find it helpful to refer to the results alignment criteria in the IAF which you will find on our website’s Planning and Investment Knowledge Base.

Investment Assessment Framework 2018–21 NLTP [PDF, 707 KB]
Planning and Investment Knowledge Base

What is the IAF?

The IAF is the framework the Transport Agency uses to assess and prioritise projects and programmes for inclusion in the NLTP. It helps you to understand how your projects will be prioritised under the 2018–27 GPS and to frame-up Regional Land Transport Plans (RLTPs).

The Planning and Investment Knowledge Base has detailed information about the IAF and how different activity classes are assessed.

Learning modules on the IAF are available on Waka Kotahi's Learning Zone.

Planning and Investment Knowledge Base
Learning Zone IAF modules(external link)

To request a login for Learning Zone, or for any other questions on the NLTP or the IAF, please email


Examples of how we apply the IAF

Introduces the IAF and the approach we are taking around investment decisions.

Introduces the two assessment factors that we apply as part of the IAF: results alignment and cost-benefit appraisal.

Works through how an example of a proposal for a cycleway would be assessed under the IAF.

Looks at how a proposal to invest in sealing a road would be assessed and prioritised under the IAF.

Considers how a proposal to electrify an urban rail line would be assessed under the IAF.

Shows how a proposal to invest in electric vehicle charging stations would be considered under the IAF.

Further resources

Making a submission

  • What is the consultation process for the proposed changes outlined in the Omnibus Amendment Rule?

    The yellow draft consultation document has been released for comment. The opportunity to comment is being advertised in daily newspapers in the five main centres and in the New Zealand Gazette. Groups and individuals who have registered their interest in Land Transport Rules will be directly advised of the availability of the yellow draft for comment. They will be provided with a link to the consultation material on the Transport Agency’s website and invited to make a submission.

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