These crash data are presented in a comma separated value ‘.csv’ file to enable open use. These files replace the .csv files that were removed from our website while we ensured we are appropriately protecting personal information.
The dataset includes only crash variables confirmed as non-personal data. We are looking at what additional variables can be added to this file while still protecting information people consider personal. We will alert you to any updates to this file on this webpage.
Data is currently available for the calendar years 2011 – 2015, and quarter 1 of 2016. Data will be updated quarterly. Data relating to crashes that occurred in quarter 2 of 2016 are expected to be available in October 2016.
The data is fully complete, subject to information about the crash having been received by the Transport Agency. There are situations where the Transport Agency may receive information about a crash after we publish this quarterly information. This will only impact a very small number of crashes, and the data for these crashes will be included in the next quarterly update.
Information about the variables contained in this data can be found in the file ‘Disaggregated crash metadata’ below.
The data in the .csv file were extracted from the Transport Agency Crash Analysis System (CAS). CAS records all traffic crashes as reported to the Transport Agency by the NZ Police. Information in these files relate to fatal, serious injury, and minor injury crashes. Non-injury crashes are not included. Not all crashes are reported to the NZ Police. Due to the nature of non-fatal crashes it is believed that these are under-reported. The level of reporting increases with the severity of the crash.
CAS data covers all New Zealand roadways or places where the public have legal access with a motor vehicle.
This work is licensed under a Creative Commons Attribution 4.0 International License.