Objective
The main goals of this project are:
- to describe the existing situation in the field of traffic data management and transmission in the whole Europe;
- to conceive the functional specifications of a European traffic data integrated system;
- to obtain agreement of competent authorities.
These goals support the two following basic objectives:
- to reduce cost of equipment by the way of specialisation and standardization;
- to allow every authority, or professional user of traffic data, to have easy access to the information collected and stored everywhere in Europe.
At present, the exchange of road traffic data is restricted because of the absence of standards. A structured data dictionary, very close to a conceptual data model, has been developed which will allow people and systems to speak the same language. The associated use of a standardised query language (SQL) provides a complete set of tools for data exchange. The dictionary includes raw data, such as traffic flows or speeds, and information, such as incidents or weather.
A value added network is also proposed using the public wide area network (WAN) architecture and exclusively open standards. The system specifications have been worked out to build a flexible, open European network which would also enable users to use a single interface for every exchange. The users of such a network will include traffic control and traffic information centres, as well as editors, fleet operators, rescue corps, etc. The basic idea behind this system is that these organisations should exchange their data and information in a supplier client relationship. The architecture accordingly is a nonhierarchical one. Advanced functionalities, such as invoicing, have been provided for and communication protocols have been chosen in accordance with international standards.
Prototype software has been developed to be implemented in 5 computers in 5 countries with the main functions being available. The experimental network is made up of high level personal computers (PC) linked with X25 public networks.
A promising approach has been studied, which could be another way of generating SQL queries and receiving data, specially for organisations having no online computer and not being data suppliers. The EDIFACT syntax and the X400-500 standards could be the basis of another kind of access to traffic databases. A typical EDIFACT message has been developed as an example, but no software has been worked out on this basis.
The duration of the project will be eighteen months.
This project constitutes the first step of the whole research described in task 506 of the DRIVE workplan.
The first stage project will be to describe the existing situation of the studied field, the projects and the unsatisfied needs in Europe, including C.E.C. Scandinavia, Switzerland and Austria. At this end detailed surveys will be realised in all these countries by the different partners. They will try to reach an agreement on a standardization rather than solving a difficult technical problem. A reasonable convergence of existing and planned systems and methods will be looked for.
Main Deliverables:
Specifications of an integrated traffic data transmission and management system. The functional specifications will include system architecture, type of data, data organisation for retrieval, transmission networks and protocols.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences computer and information sciences software
- natural sciences computer and information sciences data science data exchange
- natural sciences computer and information sciences databases relational databases
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Coordinator
France
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