Traffic Control Device Locations for New South Wales

Traffic control devices are used to control, calm, slow, or impede the movement of traffic in New South Wales, Australia. The dataset includes sub-types such as gates, impediments, level crossings, toll booths, cattle grids, and roundabouts. It is provided by Spatial Services, a business unit of the Department of Customer Service NSW, with an initial publication date of February 6, 2020.

Use Cases

• Analyze the spatial distribution of level crossings to assess rail-road intersection safety risks.
• Model traffic flow by incorporating roundabout locations as key nodes in a road network graph.
• Inventory toll booth locations for infrastructure maintenance planning and revenue analysis.
• Identify cattle grid and gate placements to understand rural road access control measures.

Strengths

• Includes multiple specific device sub-types (gate, impediment, level crossing, toll booth, cattle grid, roundabout) for detailed analysis.
• Published as a hosted feature layer with API access for programmatic integration.

Limitations

• The spatial reference is WGS 84 aligned to GDA94, which may cause misalignment issues in GDA2020 coordinate reference systems.
• Specific row counts, column details, and data currency beyond the listed 'Data Currency' date are unknown.

Provenance

Source

Spatial Services, a business unit of the Department of Customer Service NSW.

Collection Method

Data provider files, likely compiled from government infrastructure records.

Time Range

Initial publication date is 06/02/2020; specific temporal coverage of the records is null.

Freshness

Data update frequency is listed as 'Other'; the service is scheduled for retirement, indicating potential staleness.

Geography

New South Wales, Australia.