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State highway approach to environmental and social responsibility

The following documents and tools help us to carry out state highway work in a way which meets our environmental and social responsibilities.

State highway environmental plan

This state highway environmental and social responsibility plan provides the Transport Agency’s approach to implementation of our environmental and social responsibility policy, in relation to the planning, design, operation and maintenance of New Zealand’s state highway network.

Read the State highway environmental plan

Environmental and social responsibility standard

The environmental and social responsibility standard provides tools, references and resources for project managers and their teams to ensure that environmental and social matters are considered appropriately throughout the lifecycle of their state highway project.

Find out more about our Environmental and social responsibility standard(external link)


Greenroads is an international sustainability rating system for roadway design and construction, which is applicable to any road construction project. The sustainability rating is certified by an independent third party, providing a benchmark against other roading projects in New Zealand and internationally.

Find out more about Greenroads

Environmental and social management plans

All state highway construction projects, network maintenance areas and bridge maintenance contracts will develop an environmental and social management plan. These plans establish the environmental management system between the contractors, consultants and the NZ Transport Agency.

Find out more about environmental and social management plans

Community and stakeholder engagement

We work closely with people and communities and key stakeholders.
We have memoranda of understandings with Heritage New Zealand Pouhere Taonga and the Department of Conservation.
As a Crown agency, we acknowledge the status of Māori as tangata whenua – the indigenous people of Aotearoa New Zealand – and as partners with the Crown in the Treaty of Waitangi. One of the objectives of the state highway environmental and social policy is to maintain and improve opportunities for Maori to contribute to our decision making processes.

• Community and stakeholder engagement(external link) 
• Working with communities