Interactive Traffic Management for Highly Automated Vehicles
DOI: 10.1007/978-3-031-34757-3_14
archive: archived pipeline: cataloged verified
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Summary
This report, Deliverable D2.1 of the TM4CAD project, addresses the challenge of ensuring safe deployment for Connected and Automated Driving (CAD) systems by introducing the concept of Distributed Operational Design Domain (ODD) Awareness (DOA). The research is motivated by the necessity for CAD systems to maintain real-time awareness of their ODD—the specific conditions under which they can operate safely—to prevent misuse and ensure informed safety. The study aims to define how infrastructure can support this awareness, particularly for systems with limited on-board sensing capabilities, and to establish a governance structure for National Road Authorities (NRAs) and other stakeholders. The methodology involves defining a framework for DOA that categorizes ODD attributes based on their source, change frequency, and time criticality. The authors utilize the BSI PAS 1883 taxonomy to identify relevant attributes, including quasi-static physical roadway features, dynamic road surface conditions, operational attributes, digital information support, ambient environmental factors, and dynamic traffic elements. The report analyzes the update urgency for each attribute to determine infrastructure investment requirements. Additionally, the findings are validated through a stakeholder workshop with over twenty NRAs from European countries, which assessed the understandability, feasibility, and completeness of the proposed concepts. The workshop highlighted the need for standardized ODD terminology and clarified that CAD developers do not currently demand dedicated automated driving roads. Key findings establish that DOA is essential for CAD safety assurance, bridging the gap between ADS technological capabilities, driving behavior, and rules of the road. The report maps specific ODD attributes to their information sources, distinguishing between data obtainable via on-board sensors and data requiring off-board infrastructure support. It defines the relationship between DOA and Infrastructure Support Levels for Automated Driving (ISAD), noting that infrastructure support is most critical during early market introduction. The study also outlines the roles and responsibilities of stakeholders, including NRAs, Original Equipment Manufacturers (OEMs), and service providers, in implementing the DOA framework. It concludes that a fundamental technical requirement for all CAD systems is the ability to recognize ODD violations and cease automated operations, thereby obviating the need for location-specific ODD regulations. The significance of this work lies in providing a structured approach for NRAs to support CAD deployment through infrastructure investment and governance. By defining clear roles and information exchange protocols, the DOA framework facilitates the interaction between traffic management centers and CAD vehicles. This contributes to the broader goal of safe smart roads by ensuring that automated systems remain within their operational limits, thus enhancing overall traffic safety and operational efficiency. The report sets the foundation for subsequent work packages in the TM4CAD project, which will further define information quality criteria and develop real-world use cases.
Provenance
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | Crossref | — | — | 1 | 2026-06-19 |
| archive | success | canonical_url | — | — | 1 | 2026-06-26 |
| extract | success | pdftotext | — | — | 2 | 2026-06-26 |
| clean | success | clean | — | — | 1 | 2026-06-26 |
| chunk | success | chunk | — | — | 1 | 2026-06-26 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-26 |
| enrich | failed | — | — | — | 4 | 2026-06-26 |
| promote | success | — | — | — | 1 | 2026-06-19 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 1 | 2026-06-26 |
| tag | success | vector_similarity | — | — | 6 | 2026-06-26 |
| verify | success | — | — | — | 1 | 2026-06-26 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-26; verification: verified.
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