State Highway 1 Wellington Improvements

Project summary

Improve State Highway 1 between north of the Terrace Tunnel and Kilbirnie, including associated infrastructure and connections.

This description has been updated by the Fast-track Approvals Amendment Act 2025.

Project location

North of Terrace Tunnel to Kilbirnie, Wellington City.

Project listing application

State Highway 1 Wellington Improvements application – Ministry for the Environment website