Data Capture¶
Roads Data Sourcing¶
Roads provides a single national digital view of road centrelines across the entirety of Australia. Roads is continuously built through sourcing a broad range of datasets from many organisations. This data is quality assured, standardised, integrated and topology-corrected before publication. Road centrelines are primarily sourced from State and Territory governments and form the basis for the Roads network. Roads additional to the State and Territory provisions are digitised or integrated where reliable sources of road centrelines are identified that improves the quality and/or consistency of Roads nationally. For attribution of Roads data sources refer to this webpage: geoscape.com.au/legal/data-copyright-and-disclaimer/
Roads Data Attribute Population¶
Data Population¶
Where a valid value cannot be populated for an attribute of Roads the attribute will be set as a NULL value.
State and Territory borders¶
The connectivity of all Roads has been reviewed around State and Territory borders and corrected where issues in connectivity were discovered.
Routes¶
A Road can have a State route and/or a National route assigned to it. These are represented as attributes of a Road.
Road Naming¶
Roads have attributes providing their road name, type and suffix both in uppercase and in title case to enable labelling. Attributes road_name, road_type and road_suffix are all provided in uppercase. Attributes road_name_label, road_type_label and road_suffix_label are all provided in title case.
Upper case road name |
Title case road name label |
|---|---|
COBRA-DAIRY CREEK |
Cobra-Dairy Creek |
EUCHRE VALLEY NATURE |
Euchre Valley Nature |
FAULKNERS NORTH |
Faulkners North |
GARDNER AND HOLMAN |
Gardner and Holman |
GORRIE/DRY |
Gorrie/Dry |
DICK MCKENZIE |
Dick McKenzie |
DON MCINTOSH |
Don McIntosh |
O’CONNOR |
O’Connor |
O’DEA |
O’Dea |
Road Direction¶
Allowed flow of traffic is provided in the attribute one_way. This attribute highlights where a road allows only one-way direction of travel or two-way direction of travel. The direction in which a vehicle can travel along a one-way road is provided in the attribute travel_direction. This attribute indicates whether a road is trafficable with or against the direction of digitisation.
Subtypes¶
Bridges and tunnels are identified within the subtype attribute. Identification of the vertical relationship between two crossing roads is not currently available within the product and will be considered as a future enhancement. Where two roads cross and are considered to form a real-world junction the roads segments are split at this location.
Roundabouts¶
Roads identified with a subtype of ROUNDABOUT will not be populated with a road name, type or suffix. Each roundabout is represented by the centre line of the road segments representing the real-world roundabout. Connector segments are not provided within Roads.
Speed¶
The speed at which a vehicle can travel along a road is provided in the speed attribute. This attribute provides the posted speed limit in kilometres per hour for a section of road. Speed has not been applied to the following road hierarchies:
ACCESS ROAD
VEHICLE TRACK
Speed has not been applied where the subtype is TUNNEL.
Date Created¶
The date created attribute of a Road is based upon the original record creation date from the custodian of that record where this is available. Where the date of record creation is not available this date will reflect the first date when this record was supplied to Geoscape and processed for inclusion into Roads.