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Below is the latest weekly traffic count information on state highways across key traffic sites in main urban centres. The data is current to midnight Friday 21 August 2020.

Key observations

We cannot compare daily counts to last year for Monday 24 August 2020 to Friday 5 September 2020 due to a site outage last year.

  • Auckland traffic is 61.4% of last year, and when compared to last week there is a 5.7% increase in light traffic and a 4.5% increase for heavy traffic.
  • Wellington traffic is 93.7% of last year, and when compared to last week there is a 4.8% increase in light traffic and a 2.2% drop for heavy traffic.
  • Christchurch traffic is 103.6% of last year, and when compared to last week there is a 1.8% increase in light traffic and a 0.1% drop for heavy traffic.
  • Hamilton traffic cannot currently be compared to last year due to an outage at the site during the same period last year. When compared to last week there is a 2.5% increase in light traffic and a 0.7% increase for heavy traffic.
  • Dunedin traffic is 96.5% of last year, and when compared to last week there is a 4.0% increase in light traffic and a 1.7% drop for heavy traffic.

Comparison of the changes

5 day average (excluding weekends) as at 28 August 2020

Region Current year Previous year % Var. Previous week % Var.
Auckland 78,060 127,085 61.4% 73,943 5.6%
Wellington 47,577 50,760 93.7% 45,522 4.5%
Christchurch 16,272 15,706 103.6% 15,991 1.8%
Hamilton 27,770 N/A N/A 27,150 2.3%
Dunedin 14,265 14,785 96.5% 13,782 3.5%

Download this data set that contains the underlying daily traffic data for the charts and tables above [XLSX, 187 KB]

This information must be read in conjunction with the following caveats:

  • Data is representative of the change of traffic volume not of total traffic volume for each region.
  • Data is current at 28 August 2020.
  • Data is based on the latest five weekday average.
  • 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.

Resources

Our open data portal has a number of traffic count-related data sets, from quarter-hourly historic datasets to daily-updated datasets (API or CSV) and more.

Traffic-related open data on our open data portal(external link)

Our interactive map displays traffic count sites and estimated traffic volumes for state highways.

State highway traffic monitoring map(external link)