Technical ISO 4 Specification IS0/TS5083 Road vehicles Safety for First edition automated driving systems 2025-04 Design, verification and validation Vehicules routiers - Sécurité des systemes de conduite automatisée Conception, vérification et validation Reference number ISO/TS 5083:2025(en) @ ISO 2025 IS0/TS 5083:2025(en) COPYRIGHTPROTECTED DOCUMENT @ IS0 2025 All rights reserved. ISO publications, in their entirety or in fragments, are owned by ISo. They are licensed, not sold, and are subject to the terms and those of authorized third-party distributors. modified, or used in any form or by any means, electronic or mechanical, including photocopying, scanning, recording, or posting on any intranet, internet, or other digital platforms, without the prior written permission of ISo, the relevant ISO member body or an authorized third-party distributor. This publication shall not be disclosed to third parties, and its use is strictly limited to the license type and purpose specified in the applicable license grant. Unauthorized reproduction, distribution, or use beyond the granted license is prohibited and may result in legal action. ISO copyright office CP 401: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland @ IS0 2025 - All rights reserved ii IS0/TS 5083:2025(en) Contents Page Foreword. .vi Introduction .ix 1 Scope. .1 2 Normative references .1 3 Terms and definitions ..1 4 Abbreviated terms .1 5 Document overview and motivation .7 5.1 Purpose ..7 5.2 Overall goals of this document. ..7 5.3 Application of this document. 5.4 Safety life cycle. ..8 5.4.1 Purpose ..8 5.4.2 General .8 5.5 Description of ADS safety case ..8 5.5.1 Purpose ..8 5.5.2 General ..8 5.5.3 How this document supports a layered structure of an ADS safety case. 5.5.4 Perspective from the ADS-equipped vehicle .11 5.6 Role of the ADS within safe vehicle operation 12 5.6.1 Purpose. 12 5.6.2 General 12 5.6.3 Task dependency of ADS safety 12 5.6.4 Time dependency of ADS safety 13 5.6.5 Examples .14 5.7 Application of other standards 15 5.7.1 Purpose .15 5.7.2 Classification of standards 15 5.7.3 Applying the related (safety) standards .16 5.8 Safety principles of ADS .17 5.8.1 Purpose. .17 5.8.2 ADS safety principles. ..17 6 Safety strategy 18 6.1 Defining the ADS feature. .18 6.1.1 Obiectives. ..18 6.1.2 Requirements and recommendations ..18 6.1.3 Example solution: ADS feature description with capabilities .19 6.2 Defining the risk acceptance criteria 20 6.2.1 Objectives 20 6.2.2 Requirements and recommendations 20 6.2.3 Example solution: Absence of unreasonable risk and risk acceptance criteria. 21 6.2.4 Example solution: Selection and use of risk acceptance criteria 21 6.2.5 Exampie soiution: Defining a risk acceptance criterion. .21 6.2.6 Example solution: Quantitative risk balance .21 6.2.7 Example solution: A quantitative risk acceptance criterion .21 6.3 Defining safety requirements. .21 6.3.1 Objectives .21 6.3.2 Requirements and recommendations. 21 6.3.3 Example solution: Quantitative risk acceptance criterion and incident classification approach .22 6.3.4 Example solution: Safety capabilities. 22 6.3.5 Example solution: ADS external assumptions with respect to injury risk .22 7 Safety by design .22 @ IS0 2025 - All rights reserved iii IS0/TS 5083:2025(en) 7.1 ADSdesign 22 7.1.1 Objectives .22 7.1.2 Requirements and recommendations 22 7.1.3 Example solution: A design for adapting tactical decisions to variations in the operationalcapabilities 23 7.1.4 Example solution: Elements defining the design .23 7.2 ADS external design, prerequisites and assumptions. 23 7.2.1 Objectives 23 7.2.2 General 23 7.2.3 Requirements and recommendations 30 7.2.4 Example solution: Training for users 30 7.2.5 Example solution: Instructions to first responders .31 7.2.6 Example solution: Organizational aspects of a robo taxi service .31 7.2.7 Example solution: Organizational aspects