RoadNode
A point spatial object that is used to break up the road network for connectivity. The road network splits for the following circumstances:
The location where an attribute recorded on the road link changes for example its name or form.
The intersection or crossing of Roads (including bridges, flyovers and tunnels where there is no connectivity).
The start / end of a Road.
Where a One-Way Routing feature starts or ends.
Where a tunnel starts or ends.
Where there is a connection to the Path Network.
The context diagram below shows how the RoadNode has been inherited from INSPIRE and the attribution held on the RoadNode.
RoadNode Attributes
A point representing either the start/end of a road, the connectivity between two or more roads or where one of the recorded attributes changes along a road.
Constraints: formOfRoadNode shall never be voidable
id
Unique identifier, for RoadNode this is a TOID
Attribute name: gml_id (GML), toid (GeoPackage), toid (VectorTiles)
Type: CharacterString
Size: 20
Multiplicity: [1]
identifier
Uniform Resource Identifier
Attribute name: identifier (GML), identifier (GeoPackage), Not provided (VectorTiles)
Type: CharacterString
Size: 37
Multiplicity: [1]
inspireId INSPIRE
External object identifier of the spatial object.
Attribute name: inspireId
Type: Identifier
Multiplicity: [0..1]
beginLifespanVersion «lifeCycleInfo» «voidable» INSPIRE
Date and time at which this version of the spatial object was inserted or changed in the spatial data set. Note: The time part is always set to zero.
Attribute name: beginLifespanVersion
Type: DateTime
Multiplicity: [1]
validFrom «voidable» INSPIRE
The time when the transport node started to exist in the real world. Note: The time part is always set to zero.
Attribute name: validFrom
Type: DateTime
Multiplicity: [1]
geometry INSPIRE
The three-dimensional location of the node. For nodes representing grade separated intersections the elevation is of the lower road
Attribute name: geometry
Type: GM_Point
Multiplicity: [1]
formOfRoadNode «voidable» INSPIRE
Description of the function of a road node in the road transport network.
Attribute name: formOfRoadNode (GML), form_of_road_node (GeoPackage), form_of_road_node (VectorTiles)
Type: FormOfRoadNodeValue
Size: 21
Multiplicity: [1]
classification
Further specialisation of the form of road node.
Attribute name: classification (GML), classification (GeoPackage), Not provided (VectorTiles)
Size: 19
Multiplicity: [0..1]
access
Point where vehicles can either exit or enter a controlled-access highway. Note: Values not populated in the initial release.
Attribute name: access
Type: AccessPointValue
Size: 5
Multiplicity: [0..1]
junctionName
The name of any junction that the node represents part of. Note: Where a feature has more than one name, the language of each name is provided as a 3-digit ISO 639-2 code (‘eng’, ‘cym’, ‘gla’).
Attribute name: junctionName (GML), junction_name (GeoPackage), junction_name (VectorTiles)
Type: LocalisedCharacterString
Size: 120
Multiplicity: [0..2]
junctionNumber
The number of any motorway junction that the node represents part of, for example M3 J12.
Attribute name: junctionNumber (GML), junction_number (GeoPackage), junction_number (VectorTiles)
Type: CharacterString
Size: 30
Multiplicity: [0..2]
reasonForChange
The reason for a change made to a feature.
Attribute name: reasonForChange (GML), reason_for_change (GeoPackage), Not provided (VectorTiles)
Type: ChangeValue
Size: 32
Multiplicity: [1]
relatedRoadArea
Reference to the topographic representation(s) of the same part of the road.
Attribute name: reasonForChange (GML), reason_for_change (GeoPackage), Not provided (VectorTiles)
Size: 20
Multiplicity: [1..*]
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