Client

NZ Transport Agency

Budget

$146 million

Contract Type

Alliance

Completed

Under-construction

Location

Auckland

SH20A to Airport

Growth in air travel sees roading projects take off

24 million passengers will fly into and out of Auckland airport each year by 2025 – more than double current numbers. This rapid growth is driving significant development within the airport campus and of the surrounding infrastructure. The SH20A to Airport project is a good example.  

SH20A is the primary route to and from Auckland Airport and forms a strategic link between the Western Ring Route (SH20 and SH16), the Airport Business District and the greater Auckland area. By upgrading SH20A from a motorway to expressway, the SH20A to Airport project will provide a safer, more direct route to Auckland Airport and address long-standing congestion problems. Better connections to ports and industrial areas will improve freight efficiency, driving economic growth.

the...project will provide a safer, more direct route to Auckland Airport...better connections to ports and industrial areas will improve freight efficiency, driving economic growth.

The project will also enable Aucklanders to fully realise the benefits of the development of the Western Ring Road, taking travellers to and from the airport (along SH20A, SH20 through the Waterview Connection, SH16 and SH18) when the Waterview tunnels open in 2017.

The cornerstone of the project is a 400m long, 12m wide trench which will lower SH20A beneath Kirkbride Road, separating local and airport traffic. A trench was selected over the alternative flyover option to ensure the Mangere community remains connected – a large structure would have visually severed the community in half. 

We are delivering the SH20A to Airport project as part of the MHX Kirkbride Alliance, alongside the NZ Transport Agency, Beca and Higgins (subsequently acquired). The Alliance is the same high performing team that delivered the SH20 Manukau Harbour Crossing Project in 2010 (winning the Australasian Alliance Project of the Year in the process).
 

Project Partners

Name NZ Transport Agency

Role Client and alliance participant

Name Higgins

Role Alliance Participant

Name Beca

Role Alliance Participant