Hazard

These are locations which are hazardous, and caution should be taken to ensure safe travel. Hazards are usually signed using the warning sign through a red triangle.

A Hazard will reference back to the Roads product through a Node Reference, Point Reference or Multiple Link Reference. For more information on these different types of Network References, see the common attribution page.

Context diagram: Hazard

Hazard attributes

A location where a threat is imposed and caution should be taken.

id

Unique identifier, for Hazard this is a TOID.

• Attribute name: id

• Type: CharacterString

• Size: 20

• Multiplicity: [1]

identifier

Uniform Resource Identifier.

• Attribute name: identifier

• Type: CharacterString

• Size: 37

• Multiplicity: [1]

inspireId

External object identifier of the spatial object.

• Attribute name: inspireId

• Type: Identifier

• Multiplicity: [0..1]

beginLifespanVersion

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]

networkRef

Spatial reference of the network-related property.

• Attribute name: networkRef

• Type: NetworkReference

• Multiplicity: [1..*]

validFrom

The time when the transport property started to exist in the real world. Note: The time part is always set to zero.

• Attribute name: validFrom

• Type: DateTime

• Multiplicity: [1]

hazard

Classification of the type of risk that applies that may impact choice of route or where caution should be observed.

• Attribute name: hazard

• Type: HazardTypeValue

• Size: 15

• Multiplicity: [1]

description

Additional information describing the hazard.

• Attribute name: description

• Type: CharacterString

• Size: 50

• Multiplicity: [0..1]

reasonForChange

The reason for a change made to a feature.

• Attribute name: reasonForChange

• Type: ChangeValue

• Size: 32

• Multiplicity: [1]