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SIST-TS CEN ISO/TS 24315-3:2025

(Main)

Intelligent transport systems - Management of electronic traffic regulations (METR) - Part 3: System of systems requirements and architecture (SoSR) (ISO/TS 24315-3:2025)

Intelligent transport systems - Management of electronic traffic regulations (METR) - Part 3: System of systems requirements and architecture (SoSR) (ISO/TS 24315-3:2025)

This document defines the end-to-end requirements for the entire management of electronic traffic regulations (METR) system of systems (SoS). This document introduces the reference architecture used by subsequent parts.
NOTE            The operational concept for METR is provided in ISO/TR 24315-2.[9]

Intelligente Verkehrssysteme - Management von elektronischen Verkehrsregularien (METR) - Teil 3: System von Systemanforderungen und Architektur (SoSR) (ISO/TS 24315-3:2025)

Systèmes de transport intelligents - Gestion des règles de circulation sous forme électronique - Partie 3: Exigences et architecture pour le système des systèmes (ISO/TS 24315-3:2025)

Inteligentni transportni sistemi - Vodenje elektronskih prometnih predpisov (METR) - 3. del: Sistemske zahteve in arhitektura (SoSR) (ISO/TS 24315-3:2025)

General Information

Status
Published
Public Enquiry End Date
09-Sep-2025
Publication Date
12-Nov-2025
ICS
03.220.20 - Road transport
35.240.60 - IT applications in transport
Technical Committee
ITC - Information technology
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
29-Oct-2025
Due Date
03-Jan-2026
Completion Date
13-Nov-2025
Ref Project
CEN ISO/TS 24315-3:2025 - Intelligent transport systems - Management of electronic traffic regulations (METR) - Part 3: System of systems requirements and architecture (SoSR) (ISO/TS 24315-3:2025)
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SLOVENSKI STANDARD
01-december-2025
Inteligentni transportni sistemi - Vodenje elektronskih prometnih predpisov
(METR) - 3. del: Sistemske zahteve in arhitektura (SoSR) (ISO/TS 24315-3:2025)
Intelligent transport systems - Management of electronic traffic regulations (METR) - Part
3: System of systems requirements and architecture (SoSR) (ISO/TS 24315-3:2025)
Intelligente Verkehrssysteme - Management von elektronischen Verkehrsregularien
(METR) - Teil 3: System von Systemanforderungen und Architektur (SoSR) (ISO/TS
24315-3:2025)
Systèmes de transport intelligents - Gestion des règles de circulation sous forme
électronique - Partie 3: Exigences et architecture pour le système des systèmes (ISO/TS
24315-3:2025)
Ta slovenski standard je istoveten z: CEN ISO/TS 24315-3:2025
ICS:
03.220.20 Cestni transport Road transport
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN ISO/TS 24315-3
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
October 2025
TECHNISCHE SPEZIFIKATION
ICS 03.220.20; 35.240.60
English Version
Intelligent transport systems - Management of electronic
traffic regulations (METR) - Part 3: System of systems
requirements and architecture (SoSR) (ISO/TS 24315-
3:2025)
Systèmes de transport intelligents - Gestion des règles Intelligente Verkehrssysteme - Management von
de circulation sous forme électronique - Partie 3: elektronischen Verkehrsregularien (METR) - Teil 3:
Exigences et architecture pour le système des systèmes System von Systemanforderungen und Architektur
(ISO/TS 24315-3:2025) (SoSR) (ISO/TS 24315-3:2025)
This Technical Specification (CEN/TS) was approved by CEN on 2 October 2025 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to
submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS
available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in
parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TS 24315-3:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (CEN ISO/TS 24315-3:2025) has been prepared by Technical Committee ISO/TC 204
"Intelligent transport systems" in collaboration with Technical Committee CEN/TC 278 “Intelligent
transport systems” the secretariat of which is held by NEN.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO/TS 24315-3:2025 has been approved by CEN as CEN ISO/TS 24315-3:2025 without any
modification.
Technical
Specification
ISO/TS 24315-3
First edition
Intelligent transport systems —
2025-10
Management of electronic traffic
regulations (METR) —
Part 3:
System of systems requirements
and architecture (SoSR)
Systèmes de transport intelligents — Gestion des règles de
circulation sous forme électronique —
Partie 3: Exigences et architecture pour le système des systèmes
Reference number
ISO/TS 24315-3:2025(en) © ISO 2025

ISO/TS 24315-3:2025(en)
© ISO 2025
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO/TS 24315-3:2025(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 1
5 Overview . 2
5.1 METR purpose .2
5.2 METR scope .3
5.3 Management of electronic traffic regulations (METR) overview .3
5.3.1 Functional view .3
5.3.2 Physical view .4
5.4 Assumptions and dependencies .8
5.4.1 Assumptions .8
5.4.2 Dependencies .9
5.5 Traceability conventions.9
5.6 Naming conventions .11
5.7 Traceability and conformance .11
6 System of systems requirements .11
6.1 General .11
6.2 Input requirements . 12
6.2.1 Information flow: legal rules . 12
6.2.2 Information flow: coordination . 12
6.2.3 Information flow: discrepancy information . 13
6.2.4 Information flow: traffic control devices (TCD) status .14
6.3 Output requirements . 15
6.3.1 Information flow: audit information . 15
6.3.2 Information flow: coordination .16
6.3.3 Information flow: information.16
6.3.4 Information flow: information for adaptation .18
6.4 Functional requirements . . 20
6.4.1 Verification of METR rules . 20
6.4.2 METR information storage requirements . 20
6.5 Applicable intelligent transport system (ITS) station unit requirements .21
6.5.1 Support services .21
6.5.2 Timeliness . 23
6.5.3 Filtering . 23
6.5.4 Open specification . 23
6.5.5 Backwards compatibility .24
6.5.6 Forward compatibility .24
6.5.7 Language neutral .24
6.6 Information requirements .24
6.6.1 General .
...

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