Te Ara o Te Ata (Mt Messenger Bypass Project)

Te Ara o Te Ata is transforming State Highway 3 in northern Taranaki, replacing a steep, winding stretch with a safer, more resilient 6km route. The project includes two bridges and a 235-metre tunnel, designed to improve resilience, freight efficiency and road safety while reducing crash risk.

Delivered by the Mt Messenger Alliance, which comprises HEB Construction, NZ Transport Agency Waka Kotahi, Ngāti Tama, Downer, Tonkin + Taylor, and WSP, this mahi weaves engineering excellence with deep cultural respect. The role of Ngāti Tama as kaitiaki is central, guiding design and daily operations to include matauranga Māori and respect for the whenua.

Environmental outcomes are a cornerstone of this project. Extensive pest control across 3,650 hectares of surrounding bush, 300,000 native plantings, and wildlife protection initiatives, including kiwi relocation, safeguard biodiversity for generations. Innovative tunnelling techniques and adaptive engineering reduce emissions and enhance resilience, while cultural narratives and mahi toi enrich the landscape.

Te Ara o Te Ata is a commitment to connection, sustainability, and partnership. Together, we’re building a legacy that reflects manaakitanga, protects taonga species, and strengthens the lifeline between Taranaki and the rest of Aotearoa.