The SH18 Hobsonville Deviation project was completed in September 2011. It consists of a 6 kilometre, 4-lane motorway from the end of the Northwestern Motorway at Hobsonville Road to the western end of Upper Harbour Bridge in Hobsonville. This project also included a 3 kilometre, 4-lane extension of the SH16 Northwestern Motorway from Hobsonville Road to Brigham Creek Road in Whenuapai.
The SH18 section of motorway forms a key link in the western ring route which will ultimately connect SH20 (Manukau to Waterview) with SH16 (Northwestern Motorway) and SH18 (Upper Harbour Drive).
Bartley Consultants, along with Aurecon, were part of the HEB lead design and build consortium for this project. Our role was to carry out the pavement design and specify the construction requirements for the 300,000m2 of new pavement that was constructed on this project. As well as the design role, Bartley Consultants provided technical support to the construction team during the physical works.