Transport Infrastructure Specialisation Transport Infrastructure Rail Mining Tunnel & Shafts Land Subdivision Commercial Infrastructure SH1 Transmission Gully SH3 Te Ahu a Turanga – ManawatÅ« Tararua Highway SH1 Auckland Northern Corridor Improvement SH1 Waikato Expressway Huntly Section SH1 Waikato Expressway Tamahere and Cambridge Sections SH3 Awakino Tunnel Bypass SH18 Hobsonville Deviation & SH16 Brigham Creek Extension SH2 Tauranga Eastern Link