Intelligent transport systems. DATEX II data exchange specifications for traffic management and information - Traffic management publications and extensions dedicated to the urban environment Ingestion-build-146508 — test assertions of internal

— test assertions of internal consistency by checking the types of values that may be contained within each field (Type A Level 2 as defined in ISO/IEC 29109-1)

and determine the relationship between a displayed value and a reference value

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traffic pattern

Intelligent transport systems. DATEX II data exchange specifications for traffic management and information - Traffic management publications and extensions dedicated to the urban environment Ingestion-build-146508 — test assertions of internal1 Scope This document constitutes a Part of the CEN 16157 DATEX II series of standards and technical specifications. This series specifies and defines component facets supporting the exchange and shared use of data and information in the field of traffic and travel. The component facets include the framework and context for exchanges, the modelling approach, the data content, the data structure and relationships and the communications specification.