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Two studies on the use of open specifications and standards in traffic management have been published within the POSSE project.
POSSE is a 3-year Interreg IVC project facilitating knowledge transfer about open specifications and standards, focusing primarily on the two most widely used approaches: UTMC in the United Kingdom and OCIT/OTS in the German speaking part of Europe. One of the main outputs of the POSSE project will be a guide to the implementation of open systems in traffic management and ITS.
A user study has been prepared for each of the respective approaches (UTMC and OCIT/OTS). Each study gives an overview of the experiences of the users of the open specifications and standards. In the case of UTMC, six local authorities, three companies and 3 national bodies have given their perspective. For OCIT/OTS, six German cities are the subject of a case study. From the studies, it is clear that both frameworks have delivered on the main objectives of overcoming vendor lock-in for public authorities (ie, the practice of being tied to one particular systems supplier), of bringing costs down (for system procurement and operations) and of easing system integration. In addition, a number of other benefits have been identified by users, notably more efficient traffic operations, simplified procurement, improved customer-supplier relationship and future proofing investments.
The user studies are available for downloading from the POSSE website in the public deliverables section. A summary of the main benefits derived from adopting open specifications and standards in the UK and Germany can be found on the following POSSE webpage.