NZ InfraWatch
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TRANSPORT
Te Ara o Te Ata — Mt Messenger Bypass (SH3)
NZ Transport Agency (Waka Kotahi) · Taranaki
A new 6km SH3 route in north Taranaki bypassing the steep, narrow and winding Mt Messenger, including a 235m tunnel and two bridges. ~$280m. Under construction, with opening expected around 2026.
A
Breakdown▾
95% · Very likely to proceed
Completion Probability — likelihood this proceeds on roughly its stated timeline.
Each axis is a scoring factor (0–100%)
Key facts
- Region
- Taranaki
- Sector
- Transport
- Status
- Under Construction
- Estimated value
- $280m
- Indicative completion
- 2026
- Funding status
- Fully Funded
- Lead organisation
- NZ Transport Agency (Waka Kotahi)
- Election risk
- Low
Election risk assessment
Long-committed, fully funded and nearly complete — low political risk.
Government priority alignment
HIGH — State highway resilience and safety on a key Taranaki freight route.
Chronology
- 2018Project confirmed; designation and consenting progressed
- 2022Main construction begins
- 2026Targeted to open to traffic