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Management of the quality of data related to spatial referencing and to road axis geometry, synthesis of research projects and support for the editing of new norms (VSS2000/364)

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Complete with results
Geo-spatial type
Project Acronym
STRIA Roadmaps
Network and traffic management systems (NTM)
Transport mode
Road icon
Transport sectors
Passenger transport,
Freight transport


Background & Policy context

Better integration of different field data acquisition methods and existing data sources, especially those containing geographic data can only be done in a progressive manner. Therefore, "modern" data sets will coexist with old sets for quite some time. To face to this heterogeneity and in order to avoid confusion about origin and quality of data, it is necessary to add to road data the so-called metadata (data about other data) useful to identify its source and its qualification especially for its spatial reference. The establishment of a metadata catalog with its attributes, the definition of metadata acquisition methods and management is subject of this research project.


The main goal of this project is to define all necessary metadata which describe provenance and quality of road data and to support editing of all concerned norms. The project consists of the following objectives:

  • Define users' needs in metadata describing spatial referencing of road data.
  • Establish a specific metadata catalog in order to document spatial referencing of road data, especially the characteristics of the spatial referencing systems.
  • Analyse and suggest principals of acquisition, management and update of metadata in road databases.
  • Evaluate implications of the integration of metadata to road data management.
  • Support editing of the norms "linear space" and "geometries".

From a study of user needs, methods and sources of existing data and recognised international standards, a metadata catalog adapted to the road environment will be established. Moreover, a methodology for the acquisition and management of metadata will be presented. The impact of the results of this study in standards "curved space" and "geometry" will be determined.


Parent Programmes
Institution Type
Public institution
Institution Name
Swiss Government: State Secretariat for Education and Research
Type of funding
Public (national/regional/local)


Final report VSS 2000/364 containing methodology for the acquisition and management of metadata.


Lead Organisation
EU Contribution
Partner Organisations
EU Contribution


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