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Project introduction

Waka Kotahi NZ Transport Agency is making changes to the existing state highway network and providing people with important information about using the wider transport network to help support safe and efficient journeys, ahead of the opening of the Transmission Gully motorway.

About the project

Transmission Gully will provide significant benefits for people and freight and offer more ways to use the transport network. It’s also going to change the way that the transport network operates, which is why we are preparing now for those changes. We’re working with our Council partners to provide people with important information so that they can make informed, safe and efficient journeys. We’re also making changes to the existing state highway to help make your journeys safer and more reliable.


The new motorway through Transmission Gully will improve the resilience and safety of the state highway network.

We know that it’ll also change how the wider transport network operates, so we are working to prepare the network, and everyone who uses it, for those changes.

This piece of work is called the Wellington Network Operational Readiness (WNOR) programme, and will improve safety and efficiency for people using the transport network. It includes preparing people for what the changes will mean for their journeys, and making changes to the transport network to improve safety and efficiency.

Interactive map

Use the interactive map (linked to below) to see how your journey around the region might change when the new motorway through Transmission Gully opens.

Once the road is open, our Journey Planner website will display journey times. 

Journey Planner(external link)

View interactive map

Good driving habits help reduce congestion

Did you know that everyone who drives on the roads can help reduce congestion?

Merging like a zip is a really simple way drivers can help the transport network run more efficiently and safely.

So, the next time you are behind the wheel and looking to merge into a lane of traffic, keep the following tips in mind:

  • Get up to speed of the other traffic
  • Look for a gap in the traffic
  • Indicate that are going to merge
  • Merge towards the end of the lane.