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The Conversation
The Conversation
Cécile L'Hermitte, Senior Lecturer in Logistics and Supply Chain Management, University of Waikato

NZ’s over-reliance on roads for freight means natural disasters hit even harder. But there is a fix

In the aftermath of Cyclone Gabrielle, the driving time between Napier and Wairoa stretched from 90 minutes to over six hours, causing major supply chain delays. Retail prices rose and shoppers faced empty shelves.

Natural hazards such as earthquakes and flooding can wreak havoc on Aotearoa New Zealand’s freight system. These crises can cause extensive road damage, isolating communities and creating disruptions in supply chain operations.

Cyclone Gabrielle was by no means a one-off. The 2021 flooding in Canterbury, for example, forced trucks to travel nearly 900 extra kilometres between Christchurch and Timaru, extending the travel time from two to 13 hours.

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