← Back to TN-ITSTN-ITS · XML Schema 2018-01 · code lists 09/2023
TN-ITS Data Trees
The structure of the TN-ITS exchange format for static road data (speed limits, road signs, restrictions), generated from the XML Schemas and code lists published on spec.tn-its.eu: every element with its type, multiplicity, whether it is mandatory, its value range or enumeration, the code list behind each reference and its definition. Pick a structure and click an element to see the details.
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Sources: TN-ITS XML Schema version 2018-01 (TNITS.xsd with Dataset, RoadFeatures, Conditions, LocationReferencing, openlr, Feedback, Metadata and Update.xsd) and the TN-ITS code lists (last change 15/09/2023), all from spec.tn-its.eu . TN-ITS is specified in CEN/TS 17268.
The trees are generated from the XSDs. Mandatory and Optional follow minOccurs; the multiplicity shows minOccurs..maxOccurs. Choice marks one alternative: either an xs:choice or one of the concrete elements of a substitution group (for example the kinds of LocationReference). Definitions come from the TN-ITS UML model (CEN/TS 17268), as published in the OWL version of the model (tnits-owl.ttl) in the ERTICO TN-ITS-Open repository, and otherwise from the annotations in the XSDs and from the code lists. Explanations marked as such are editorial and are based on the schema and the examples on spec.tn-its.eu. Types from GML 3.2, GML 3.3 linear referencing and ISO 19115-3 are shown as leaves with a short explanation.
Which property types belong to which road feature type is not fixed in the schema; see the TN-ITS specification and the data provider's documentation. Where the UML model and the XSD use different names (for example datasetId in the UML versus datasetIdentifier in the XSD), the definition is matched to the XSD element.