The 2015 crash data presented here were extracted from the NZ Transport Agency's Crash Analysis System (CAS) on 13 June 2016.
Ministry of Transport
New Zealand Transport Outlook 2016
At URL provided, select 'Download the data to Transport Outlook 2016 [XLSX, 397 KB]'
File as imported: New Zealand Transport Outlook 2016
From the dataset New Zealand Transport Outlook 2016, this data was extracted:
This data forms the table Transport - Factors contributing to crashes 2015.
July 10, 2017
The Transport Outlook: Current State report looks at the current transport system and for the first time summarises the New Zealand transport system in one place.