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TRANSPORT
SH2 Melling Interchange
NZ Transport Agency (Waka Kotahi) · Wellington
A new grade-separated SH2 Melling interchange and Hutt River bridge, removing the SH2 traffic lights, with the Melling train station relocated south and a new park-and-ride. The $258m interchange is part of the ~$1.5b RiverLink programme (flood protection plus Hutt city-centre revitalisation). Alliance contract (AECOM/Fletcher) signed in 2025; main construction from 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
- Wellington
- Sector
- Transport
- Status
- Under Construction
- Estimated value
- $258m
- Indicative completion
- 2029
- Funding status
- Fully Funded
- Lead organisation
- NZ Transport Agency (Waka Kotahi)
- Election risk
- Low
Election risk assessment
Funded and contracted, with construction under way as part of the wider RiverLink programme — low political risk.
Government priority alignment
HIGH — Resilience, safety and multi-modal access integrated with flood protection.
Chronology
- 2020Funding confirmed alongside the RiverLink flood-protection programme
- 2025Alliance delivery contract signed; site establishment begins
- 2029Targeted completion