Costs for Roads of National Significance projects continue to rise

Tuesday 4 November 2025 · 2 outlets · 2 reports · updated Tue 4 Nov 2025, 5:00am

In this story Christopher Luxon, Dunedin Hospital, Nick Leggett

Estimates for New Zealand's Roads of National Significance projects are increasing significantly. Critics have questioned the justifications for the high spending, suggesting that some of the mathematical reasoning used to support these large-scale highway developments may be flawed.

How they headlined it

5am

1. NewsroomTue 4 Nov 2025, 5:00am

   Paying over the odds for our four-lane highways (opens in new tab)

2. RNZTue 4 Nov 2025, 5:00am

   Paying over the odds for NZ's four-lane highways (opens in new tab)