National Street Intersection Dataset
Callpoint Spatial has been generating this dataset quarterly since 2009. We use the PSMA Transport & Topography dataset as our source data.
This dataset (also known as the Street Junction data, Cross-Street dataset, Intersecting Street or Street Corner dataset) is a comprehensive dataset of street intersections for each State across Australia.
The dataset can be used for instance to find all the intersections of a particular street in a given locality.
Above: results table from a query for King Street Sydney NSW
Above: spatial representation of the King Street street intersection data extract
Extracting 4-way and T intersections
Callpoint’s Street Intersections dataset can also be queried to identify n-way intersections. This can find application in traffic management and logistics.
Above: spatial representation of regular 4-way and T-intersections in Brisbane:
4-way intersections: blue square symbols
T-intersections: green triangles
4-way intersections: blue square symbols
T-intersections: green triangles
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