This document defines the message, data structures, and data elements to support exchanges between the roadside equipment and vehicles to address applications to improve safety, mobility and environmental efficiency. In order to verify that the defined messages will satisfy these applications, a systems engineering process has been employed that traces use cases to requirements and requirements to messages and data concepts.

This document consists of a single document that contains the base specification and a series of annexes. The base specification lists the derived information requirements (labelled informative) and references to other standards for message definitions where available. Annex A contains descriptions of the use cases addressed by this document. Annexes B and C contain traceability matrices that relate use cases to requirements and requirements to the message definitions (i.e. data frames and data elements). The next annexes list the base message requirements and application-oriented specific requirements (requirements traceability matrix) that map to the message and data concepts to be implemented. As such, an implementation consists of the base plus an additional group of extensions within this document.

Cross References:
ISO 22951
ETSI/TS 102 894-2 V1.3.1
SAE J2735:2016
ARIB STD-T109
ISO 26684
IEEE 610.12:1990
ETSI/TS 103 301
NTCIP 1211
SAE J2945
ISO/TR 17465-1
ISO/IEC IEEE 24765
ISO 12353-1
ISO/TS 20452
ISO/IEC 26514
ISO/IEEE 11073-10201
NMEA 0183:2008
SAE J3067:2014


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