Dataset extent

Map data © OpenStreetMap contributors

WA Landgate - Private - Transportation Topography - Large Scale Topo Bridge Tunnel (Polygon) (LGATE-137)

This dataset presents structures erected over a depression or obstacle, or an underground or an underwater passage, open at both ends, designed to carry traffic. The data is presented as multiple points that describe a feature's perimeter.

For more information please visit the WA Government Data Portal:

Please note: Landgate no longer maintains large scale topographic features. The large scale topographic data capture program ceased in 2016. Please consider carefully the suitability of the data within this service for your purpose.

Data and Resources

Additional Info

Field Value
Last Updated October 2, 2020, 02:39 (UTC)
Created August 17, 2020, 22:54 (UTC)
License Data Licence (Landgate)
Aggregation Level NA
Attribute List Access Level, Attribute Reliability Date, Bridge Tunnel Type, Bridge Tunnel Type Description, Capture Method, Capture Method Description, Data Custodian, Data Custodian Description, Data Source, Data Source Description, Date Feature Created, Date Feature Modified, Date Reviewed, Display Scale, Display Scale Description, Elevation Accuracy, Feature Class Sub-Type, Feature Class Sub-Type Description, Feature Text, Geometry, Global ID, Head Room, Load Capacity, Metadata ID, Name ID, Object ID, Planar Accuracy, Spatial Reliability Date, Structure Number, Structure Number Description, System Name ID, Trafficable Width
Attribution Landgate - Topography, (2020): WA Landgate - Private - Transportation Topography - Large Scale Topo Bridge Tunnel (Polygon) (LGATE-137); accessed from AURIN on [date of access].
Coordinate Ref. System EPSG:4283 (GDA_1994)
Copyright Notice © Landgate - Topography 2018
Geometry Field shape
Key objectid
Type dataset
spatial {"type": "Polygon", "coordinates": [[[114.988835986245, -35.0037249373963], [121.506353086169, -35.0037249373963], [121.506353086169, -23.3383585575023], [114.988835986245, -23.3383585575023], [114.988835986245, -35.0037249373963]]]}