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UIC – International railway union (in French "Union Internationale des Chemins de fer“, in English "International Union of Railways") is a global company, which coordinates the development and operation of railway transport in all member countries. It also solves the issues of creating new and maintaining current international connections, the unification of railway equipment. It supervises safety criteria such as interlocking plant and automatic brakes. It represents member companies at the international level.
Principles governing standard messages for data exchange at international level
Standard published on 1.7.1994
Selected format:Directory of railway messages in the EDIFACT structure
Standard published on 1.7.1998
Selected format:Self-checking of registration numbers
Standard published on 1.1.1964
Selected format:Structured (data model) representation of passenger traffic data
Standard published on 1.2.2009
Selected format:Technical provisions for the international interconnected Railway data transmission networks
Standard published on 1.7.2007
Selected format:Maintenance of the international railway data transmission network for use by the railways
Standard published on 1.5.2004
Selected format:Standardized Interface for Telematics Applications
Standard published on 1.7.2011
Selected format:Information and instructions for the maintenance of the telecommunication lines used by the railways for the interconnection of data transmission networks
Standard published on 1.10.2004
Selected format:Data exchange for ticket check and after sales operations with electronic information (barcodes, other security certificates)
Standard published on 1.8.2011
Selected format:Compensation in case of train delay - Exchange of messages
Standard published on 1.4.2014
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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