Dataset extent

State and Local Roads with Speed Limit - Western Australia

The maximum speed limit allowed under the provisions of the State Traffic Act and Regulations. Road speed limits are used to regulate the speed of road vehicles. Speed limits may define maximum (which may be variable), minimum or no speed limit and are normally indicated using a traffic sign. Speed limits are set by the Commissioner of Main Roads Western Australia (Regulation 297 of the Road Traffic Code 2000) and enforced by national or regional police and/or judicial bodies.

This layer shows the location of legal speed limits on all public access roads found in the Integrated Road Information System (IRIS) and is provided for information only.

Data and Resources

Additional Info

Field Value
Source https://portal-mainroads.opendata.arcgis.com/datasets/mainroads::legal-speed-limits/about
Maintainer MainRoads Western Australia
Last Updated July 22, 2025, 11:16 (UTC)
Created March 5, 2025, 02:41 (UTC)
License Creative Commons Attribution
Update frequency As needed
spatial { "type": "Polygon", "coordinates": [[[112.921114, -35.134569], [129.001911, -35.134569], [129.001911, -13.689492], [112.921114, -13.689492], [112.921114, -35.134569]]] }