From Western Australia Government
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Project Zone Error Threshold Models View

Created 23/06/2025

Updated 10/03/2026

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Project Zone error threshold models. A point scale factor map with a 20PPM threshold applied. Generated using geodetic calculations and Digital Elevation Models (DEM) data.This data is used for road investigation, planning, design, construction and asset management.Data Dictionary: https://bit.ly/3glraQN

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Additional Info

Field Value
Title Project Zone Error Threshold Models View
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/en/dataset/9611b853-14af-4000-aaa3-1c861240d8df
Remote Last Updated 06/03/2026
Contact Point
Main Roads Western Australia
gis@mainroads.wa.gov.au
Reference Period 04/02/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        113.1271,
        -35.1839
      ],
      [
        129.3456,
        -35.1839
      ],
      [
        129.3456,
        -14.7661
      ],
      [
        113.1271,
        -14.7661
      ],
      [
        113.1271,
        -35.1839
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Western Australia Government

Data Source

This dataset was originally found on Western Australia Government "Project Zone Error Threshold Models View". Please visit the source to access the original metadata of the dataset:
https://catalogue.data.wa.gov.au/dataset/mrwa-project-zone-error-threshold-models-view