From Victoria Government
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TIRTL Traffic Counts and Classification

Created 18/03/2026

Updated 18/03/2026

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The Infra-Red Traffic Logger (TIRTL) are devices produced by CEOS Pty Ltd which are located across the Victorian road network, and count, classify, and measure the speed of passing vehicles using a non-invasive light based technology.

The TIRTL Traffic Counts and Classification dataset aggregates speed and vehicle classification into 15 minute time bins. Each rows represents the detected vehicle volume for the given 15 minute period by Austroads vehicle class, speed bin, site, and heading.

The Site Key can be joined to the TIRTL Site table for site reference information.

DISCLAIMER: The data is considered to be of high accuracy, although it is important to note that mis-classifications can occur, especially during periods of high throughput. Additionally, the devices may experience outages or be decommissioned which results in a unique temporal range for each location. 

Files and APIs

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Additional Info

Field Value
Title TIRTL Traffic Counts and Classification
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/en/dataset/0fde5ebe-c588-4766-bcd6-1657aa3290c6
Remote Last Updated 12/03/2026
Contact Point
Department of Transport and Planning
contact@dpc.vic.gov.au
Reference Period 03/07/2025
Geospatial Coverage Victoria
Data Portal Victoria Government

Data Source

This dataset was originally found on Victoria Government "TIRTL Traffic Counts and Classification". Please visit the source to access the original metadata of the dataset:
https://discover.data.vic.gov.au/dataset/tirtl-traffic-counts