Overview
CEN ISO/TS 22726-2:2025 - Intelligent transport systems - Dynamic data and map database specification for connected and automated driving system applications - Part 2: Logical data model of dynamic data - specifies a unified logical data model for dynamic event and situational data used in connected and automated driving. The Technical Specification synthesizes content from existing dynamic information standards and provides precise relative location references to link dynamic data with the static map model in ISO/TS 22726-1. It aims to improve interoperability of dynamic data feeds for intelligent transport systems (ITS), map database providers, vehicle systems and roadside services.
Key topics and technical requirements
- Unified logical data model: A generic model that maps classes from multiple existing standards into a cohesive schema for dynamic data exchange.
- Location referencing: Precise relative location references that allow dynamic events to be tied to the static map model defined in ISO/TS 22726-1.
- Data modelling and conformance: Guidance on modelling approaches, conformance rules and relationships between static and dynamic data parts.
- Data content specification: Detailed packages and class definitions covering dynamic information (DynamicInformationDataSet) and supporting structures.
- Domain packages included in the specification:
- Common, CodeLists, DataManagement, DataQuality, DataTypes
- VehicleCharacteristics, Enumerations
- LocationReference, AreaLocation, LinearLocation, PointLocation, LocationRealisation
- SituationDataset, OperatorAction, Parking, and others
- Quality and management: Provisions for data quality, metadata, update and management attributes to support reliable real-time services.
- Interoperability focus: Designed to synthesize and reference existing standards for dynamic event data rather than replace them.
Applications and who uses it
- Map data providers and digital map database developers - to integrate dynamic events with static map layers.
- OEMs and Tier‑1 suppliers building connected and automated driving (CAD) systems - for standardized dynamic inputs to vehicle perception and decision modules.
- ITS platform operators and service providers - to consume and distribute interoperable dynamic information (roadworks, traffic incidents, parking, operator actions).
- Municipalities and transport authorities - to publish machine-readable dynamic events linked to map geometry.
- Testing labs and regulators - to assess conformance and interoperability of CAD data exchanges.
Related standards
- ISO/TS 22726-1:2025 - architecture and logical data model for static map data (directly linked).
- References to multiple existing dynamic information standards (synthesized rather than replaced).
Keywords: intelligent transport systems, dynamic data, map database specification, logical data model, connected and automated driving, ISO/TS 22726-2:2025, data interoperability, location reference.