How we’re building it

The extraordinary effort taken to build this unique road includes the following key facts.

Preconstruction history and a timeline of the construction milestones over the years.

Design and construction of the new motorway includes establishing sites, bulk earthworks and drainage, structures, pavement and commissioning.

The Transmission Gully project is leading the way in the use of innovative technology from protecting workers to launching a bridge over a gully.

Te Ara a Toa (Bridge 20) is one of the project’s most significant structures. Learn more about how it was constructed and ‘launched’ over Cannons Creek.

Understanding the technology behind Transmission Gully’s road surfaces – digging deeper into pavement

View project newsletters and updates detailing the progress and highlights of the construction of the Transmission Gully motorway.