Overlooked Wellington megatunnel could have cost $7.6 billion

The Government is moving forward with plans for a second Mt Victoria tunnel. (Image: NZME)

Tue, 10 Dec 2024

Building a long tunnel under Wellington could have cost between $4.87 billion and $7.65b, newly released documents show.The Government is progressing improvements to State Highway 1 in the capital as part of its roads of national significance (Rons) programme.In early November, Transport Minister Simeon Brown announced the New Zealand Transport Agency (NZTA) board had endorsed a different option for the corridor: a second Mt Victoria tunnel running parallel to the existing tunnel, upgrades to the Basin Reserve and a duplicate Terrace Tunnel.Ear...

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