We want to hear from you! This brief survey will help us build an ongoing picture of who is (or isn’t) using our open data, for what and how we can improve it. You can also contact us directly at opendata@nzta.govt.nz.
Take the Waka Kotahi open data survey
Please note: this data differs in some of its columns from the Oct - Dec 2020 set.
TMS traffic quarter-hourly: Oct to Dec 2020
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Data reuse caveats: as per license.
Data quality statement: please read the
accompanying user manual, explaining:
how
this data is collected identification
of count stations traffic
monitoring technology monitoring
hierarchy and conventions typical
survey specification data
calculation TMS
operation.
Traffic
monitoring for state highways: user manual [PDF 465 KB]
Data quality caveats: you must use this data in
conjunction with the user manual, and the following caveats.
Much
of this data is sourced from road sensors and may be subject to technical
or environmental factors.Data
is compiled from a variety of sources. Accuracy may vary and the data
should only be used as a guide.Data
is representative of the change of traffic volume not of total traffic
volume for each region.Data
is sourced from Waka Kotahi New Zealand Transport Agency TMS data.Light
and heavy traffic volumes have been split using TMS data where vehicles
with a length of less than 5.5m are classed as light vehicles. Heavy
vehicles are over 11m long. Those between 5.5 and 11m are split 50:50 into
light and heavy vehicles.
Please be aware that when unzipped these are very large files and some systems may have difficulty opening it. Each file contains more than 10 million rows, and therefore won't work in Excel. However, each file is in CSV format, and will work in:programming languages such as Python or Rdatabases with SQL.
State
highway traffic monitoring (map)
State
highway traffic monitoring sites
State
highway daily-updated traffic count (API and CSV)