SS-EN-ISO-14814 Road transport and traffic telematics - Automatic vehicle and equipment identification - Reference architecture and terminology (ISO 14814:2006)


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This International Standard establishes a common framework to achieve unambiguous identification in ITS/RTTT: AVI/AEI applications. This scheme and Reference Architecture Model is designed to be an “enabling” structure to allow interoperability between different commercial systems, and not prescriptive in determining any one system. It is not frequency- nor air interface protocol-specific, provides maximum interoperability, has a high population capability, and provides the possibility of upwards migration to more capable systems. This International Standard provides a reference structure which enables an unambiguous identification and also identifies the data construct as an ITS/RTTT message. This is particularly important within an EDI environment. The construct also identifies which ITS/RTTT data structure is contained in the message. A wide variety of applications can be supported by the structure determined in this International Standard, such as simple AVI/AEI, complex unambiguous ITS/RTTT messages (in either user-identified or anonymous formats), or new and as yet undefined message structures. The principles of data element structure determined in ISO/IEC 8824 have been adopted to provide an interoperable architecture within a standard framework. The use of Abstract Syntax Notation One (ASN.1) from ISO/IEC 8824 and ISO/IEC 8825 as a data identifier is widely used. A key feature of the structure is to provide interoperability of data constructs. This AVI/AEI scheme may also be used as part of a data construct for purposes such as automatic fee collection and enables interoperability with existing standards.

To find similar documents by classification:

03.220.20 (Road transport Including road transport services Road traffic control equipment and installations, see 93.080.30)

35.240.60 (IT applications in transport and trade Including EDIFACT and e-commerce)

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Designation Name

SS-EN ISO 14814:2006

Revision Level




Publication Date

March 15, 2006



Page Count


International Equivalent

EN ISO 14814:2006(IDT); ISO 14814:2006(IDT)