a4de1edf-4421-4f52-a29e-ccba61688e33 urn:uuid en UTF-8 nonGeographicDataset nonGeographicDataset 2025-06-23T05:21:24 creation ISO 19115 2016 Structures a4de1edf-4421-4f52-a29e-ccba61688e33 Layer of Structures (road and pedestrian bridges, rail bridges, sign gantries and tunnels), in Western Australia.This layer provides general inventory information for all road or pedestrian Structures on State roads, Local roads, or Department of Biodiversity Conservation and Attractions (DBCA) roads.A structure is defined as the portion of the carriageway that carries vehicular, pedestrian, and bicycle traffic over an obstruction such as a watercourse, another road, or railway line. Note on Rail Bridges: Rail bridges are included only in selected circumstances. This layer shows the location of Structures on all public access roads in Western Australia and is provided for information only. You are accessing this data pursuant to a Creative Commons (Attribution) Licence which includes a disclaimer of warranties and limitation of liability. You accept that the data provided pursuant to the Licence is subject to changes.Pursuant to section 3 of the Licence, the following notice must be included when you share the Licensed Material:“The Commissioner of Main Roads is the creator and owner of the data and Licensed Material, which is accessed pursuant to a Creative Commons (Attribution) Licence, which has a disclaimer of warranties and limitation of liability.” Creative Commons CC BY 4.0 Update FrequencyUpdates to ArcGIS layer data are triggered upon changes to data in IRIS and are available the next business day.Data Domain Steward:Structures Design and Standards EngineerData Custodian:Data and Systems ManagerOperational Data Steward:Structures Asset and Condition Engineer {"type": "Polygon", "coordinates": [[[113.7061, -35.0514], [128.7816, -35.0514], [128.7816, -15.4964], [113.7061, -15.4964], [113.7061, -35.0514]]]} 113.7061 128.7816 -35.0514 -15.4964 Road Assets open data CSV documentDigital CSV ArcGIS Hub Dataset documentDigital HTML ArcGIS GeoService documentDigital ArcGIS GeoServices REST API OGC WMS documentDigital OGC WMS OGC WFS documentDigital OGC WFS KML documentDigital KML Shapefile documentDigital ZIP GeoJSON documentDigital GeoJSON