NZ InfraWatch
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TRANSPORT
SH1 Papakura to Drury Upgrade
NZ Transport Agency (Waka Kotahi) · Auckland
A ~$423m NZ Upgrade Programme widening of SH1 to three lanes each way over ~6km from Papakura to Drury South, with upgraded Papakura and Drury interchanges, wide shoulders for future bus services, and a shared walking/cycling path. KiwiRail is adding three new rail stations on the corridor (Drury, Paerātā, Ngākōroa), opening from mid-2026. Serves fast-growing south Auckland.
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
- Auckland
- Sector
- Transport
- Status
- Under Construction
- Estimated value
- $423m
- Indicative completion
- 2027
- Funding status
- Fully Funded
- Lead organisation
- NZ Transport Agency (Waka Kotahi)
- Election risk
- Low
Election risk assessment
NZ Upgrade Programme project, fully funded and well under construction — low political risk.
Government priority alignment
HIGH — Growth and freight corridor upgrade with public-transport provision.
Chronology
- 2020Funded under the NZ Upgrade Programme
- 2023Construction under way
- 2026First new rail stations open; motorway widening progressing