Intelligent transport systems — Data interfaces between centres for transport information and control systems — Platform-independent model specifications for data exchange protocols for transport information and control systems

This document defines and specifies component facets supporting the exchange and shared usage of data and information in the field of traffic and travel. The component facets include the framework and context for exchanges, the data content, structure and relationships necessary and the communications specifications, in such a way that they are independent from any defined technical platform. This document establishes specifications for data exchange between any two instances of the following actors: — Traffic information centres (TICs); — Traffic control centres/Traffic management centres (TCCs/TMCs); — Service providers (SPs). This document can also be applied for use by other actors, e.g. car park operators. This document includes the following types of information: — use cases and associated requirements, and features relative to different exchange situations; — different functional exchange profiles; — abstract elements for protocols; — data model for exchange (informational structures, relationships, roles, attributes and associated data types required). In order to set up a new technical exchange framework, it is necessary to associate one functional exchange profile with a technical platform providing an interoperability domain where plug-and-play interoperability at a technical level can be expected. The definition of such interoperability domains is out of scope of this document but can be found in other International Standards or Technical Specifications (e.g. the ISO 14827 series). This document is restricted to data exchange. Definition of payload content models is out of the scope of this document.

Systèmes de transport intelligents — Interface de données entre centres pour les systèmes de commande et d'information des transports — Spécification du modèle indépendant de plateforme pour les protocoles d'échange de données pour les systèmes de commande et d'information des transports

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ISO/TS 19468:2022 - Intelligent transport systems — Data interfaces between centres for transport information and control systems — Platform-independent model specifications for data exchange protocols for transport information and control systems Released:2/14/2022
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TECHNICAL ISO/TS
SPECIFICATION 19468
Second edition
2022-02
Intelligent transport systems —
Data interfaces between centres for
transport information and control
systems — Platform-independent
model specifications for data exchange
protocols for transport information
and control systems
Systèmes de transport intelligents — Interface de données entre
centres pour les systèmes de commande et d'information des
transports — Spécification du modèle indépendant de plateforme
pour les protocoles d'échange de données pour les systèmes de
commande et d'information des transports
Reference number
ISO/TS 19468:2022(E)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO/TS 19468:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022

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
© ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/TS 19468:2022(E)
Contents Page

Foreword ....................................................................................................................................................................................................................................... vi

Introduction ...........................................................................................................................................................................................................................viii

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 Symbols and abbreviated terms..........................................................................................................................................................4

5 Exchange modeling framework ...........................................................................................................................................................5

5.1 Overview ...................................................................................................................................................................................................... 5

5.2 Business scenarios and functional exchange profiles ......................................................................................... 5

5.3 Requirements, features and exchange patterns ....................................................................................................... 6

5.4 Business scenario: information delivery ......................................................................................................................... 7

5.4.1 Overview ................................................................................................................................................................................... 7

5.4.2 Requirements ........................................................................................................................................................................ 9

5.4.3 Data delivery exchange pattern ............................................................................................................................ 9

5.4.4 Specific exchange pattern specification PIMs included in this document ...................... 9

5.5 Business scenario: collaborative ITS services ............................................................................................................ 9

5.5.1 Overview ................................................................................................................................................................................... 9

5.5.2 Data exchange-enabling service request and feedback paradigm ..................................... 10

5.5.3 Requirements ..................................................................................................................................................................... 11

5.6 Exchange data model ..................................................................................................................................................................... 11

5.7 Data exchange features ................................................................................................................................................................ 11

5.7.1 Context diagram .............................................................................................................................................................. 11

5.7.2 Features ................................................................................................................................................................................... 12

5.8 Exchange pattern modeling using UML ........................................................................................................................ 16

6 Snapshot pull .........................................................................................................................................................................................................20

6.1 Overview ................................................................................................................................................................................................... 20

6.2 Exchange pattern messages definition .......................................................................................................................... 21

6.2.1 Overall presentation .................................................................................................................................................... 21

6.2.2 Exchange pattern definition ................................................................................................................................. 22

6.2.3 Relevant exchange information in exchange data model ............................................................23

6.2.4 Exchange messages ....................................................................................................................................................... 23

6.3 State diagrams .....................................................................................................................................................................................23

6.4 Features implementation description ............................................................................................................................ 23

6.4.1 Overview ................................................................................................................................................................................23

6.4.2 Subscription contract .................................................................................................................................................. 24

6.4.3 Session ...................................................................................................................................................................................... 24

6.4.4 Information management........................................................................................................................................ 24

6.4.5 Data delivery ....................................................................................................................................................................... 25

6.4.6 Self-description ................................................................................................................................................................. 27

6.4.7 Communication................................................................................................................................................................. 27

6.4.8 General optimization issues .................................................................................................................................. 27

7 Snapshot push ......................................................................................................................................................................................................27

7.1 Overview ................................................................................................................................................................................................... 27

7.2 Exchange pattern messages definition ..........................................................................................................................28

7.2.1 Overall presentation ....................................................................................................................................................28

7.2.2 Basic exchange pattern ........................................................................................................................................... ...28

7.2.3 Relevant exchange information in exchange data model ............................................................29

7.2.4 Exchanged messages ...................................................................................................................................................30

7.3 State diagrams .....................................................................................................................................................................................30

7.4 Features implementation description ............................................................................................................................30

7.4.1 Subscription contract .................................................................................................................................................. 31

7.4.2 Session ...................................................................................................................................................................................... 31

iii
© ISO 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/TS 19468:2022(E)

7.4.3 Information management........................................................................................................................................ 31

7.4.4 Data delivery ....................................................................................................................................................................... 31

7.4.5 Self-description ................................................................................................................................................................. 33

7.4.6 Communication/protocol ........................................................................................................................................ 33

7.4.7 General optimization issues .................................................................................................................................. 33

8 Simple push ...................................................................... .......................................................................................................................................33

8.1 Overview ................................................................................................................................................................................................... 33

8.2 Exchange pattern messages definition ..........................................................................................................................34

8.2.1 Overall presentation ....................................................................................................................................................34

8.2.2 Basic exchange pattern .............................................................................................................................................. 35

8.2.3 Relevant exchange information from exchange data model ....................................................36

8.2.4 List of exchanged messages ................................................................................................................................... 37

8.3 State diagrams .....................................................................................................................................................................................38

8.4 Features implementation description ............................................................................................................................40

8.4.1 Overview ................................................................................................................................................................................40

8.4.2 Subscription contract ..................................................................................................................................................40

8.4.3 Session ......................................................................................................................................................................................40

8.4.4 Information management........................................................................................................................................ 42

8.4.5 Data delivery ....................................................................................................................................................................... 42

8.4.6 Self-description ................................................................................................................................................................. 43

8.4.7 Communication/protocol ........................................................................................................................................ 43

8.4.8 General optimization issues .................................................................................................................................. 43

9 Stateful push ..........................................................................................................................................................................................................43

9.1 Overview ................................................................................................................................................................................................... 43

9.2 Exchange pattern messages definition ..........................................................................................................................44

9.2.1 Overall presentation ....................................................................................................................................................44

9.2.2 Basic exchange pattern ........................................................................................................................................... ... 45

9.2.3 Relevant exchange information from exchange data model .................................................... 47

9.2.4 List of exchanged messages ...................................................................................................................................48

9.3 State Diagrams ....................................................................................................................................................................................48

9.4 Features implementation description ............................................................................................................................50

9.4.1 Overview ................................................................................................................................................................................ 50

9.4.2 Subscription contract .................................................................................................................................................. 51

9.4.3 Session ...................................................................................................................................................................................... 51

9.4.4 Information management........................................................................................................................................ 53

9.4.5 Data delivery ....................................................................................................................................................................... 53

9.4.6 Self-description .................................................................................................................................................................54

9.4.7 Communication.................................................................................................................................................................54

9.4.8 General optimization issues ..................................................................................................................................54

10 Simple CIS .................................................................................................................................................................................................................55

10.1 Overview ................................................................................................................................................................................................... 55

10.2 Exchange pattern and messages definition ............................................................................................................... 55

10.2.1 Overall presentation .................................................................................................................................................... 55

10.2.2 Basic exchange pattern ........................................................................................................................................... ...56

10.2.3 Relevant exchange information from exchange data model ....................................................58

10.2.4 Exchanged messages ................................................................................................................................................... 59

10.3 State diagrams .....................................................................................................................................................................................60

10.4 Features implementation description ............................................................................................................................ 61

10.4.1 Overview ................................................................................................................................................................................ 61

10.4.2 Subscription contract .................................................................................................................................................. 61

10.4.3 Session ...................................................................................................................................................................................... 61

10.4.4 Information management........................................................................................................................................ 61

10.4.5 Self-description .................................................................................................................................................................66

10.4.6 Communication/protocol ........................................................................................................................................66

11 Stateful CIS ..............................................................................................................................................................................................................66

11.1 Overview ...................................................................................................................................................................................................66

© ISO 2022 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/TS 19468:2022(E)

11.2 Exchange pattern and messages definition ............................................................................................................... 67

11.2.1 Overall presentation .................................................................................................................................................... 67

11.2.2 Basic exchange pattern ..............................................................................................................................................68

11.2.3 Relevant exchange information from exchange data model .................................................... 70

11.2.4 Exchanged messages ................................................................................................................................................... 71

11.3 State diagrams .....................................................................................................................................................................................73

11.4 Features implementation description .............................................................................................................................74

11.4.1 Overview .................................................................................................................................................................................74

11.4.2 Subscription contract .................................................................................................................................................. 75

11.4.3 Session ...................................................................................................................................................................................... 75

11.4.4 Information management........................................................................................................................................ 75

11.4.5 Self-description ................................................................................................................................................................. 76

11.4.6 Communication................................................................................................................................................................. 76

12 Other PIM definitions ..................................................................................................................................................................................76

Annex A (informative) Methodology presentation ............................................................................................................................77

Annex B (normative) Definition of requirements ..............................................................................................................................79

Annex C (normative) Basic exchange data model and data dictionary .......................................................................84

Annex D (informative) Introduction to communications and protocols ................................................................117

Annex E (informative) Major functional exchange profile and exchange patterns for

information delivery................................................................................................................................................................................. 122

Annex F (informative) Data delivery background: stateless and stateful information with

information life cycle management ..........................................................................................................................................124

Annex G (informative) Collaborative ITS services (CIS) background ....................................................................... 126

Bibliography ......................................................................................................................................................................................................................... 139

© ISO 2022 – All rights reserved
---------------------- Page: 5 ----------------------
ISO/TS 19468:2022(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 204, Intelligent transport systems, in

collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC

278, Intelligent transport systems, in accordance with the Agreement on technical cooperation between

ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO/TS 19468:2019), which has been

technically revised.
The main changes are as follows:

— UML Communication diagrams have been improved (introduction of Agents and Interfaces to define

actor subsystems interactions and addition of subclause 5.8 to describe UML modeling methodology

adopted);
— Void input parameter has been defined;

— Description of FEP+EP implementation has been improved with appropriate normative language;

— Publish Subscrube Exchange Pattern has been removed;

— Collaborative Intellignet Transport Systems (ITS) services requirements and features have been

reviewed and added in Clause 5 and Annexes B and E;

— Collaborative ITS service FEP+EP PIM description has been introduced in Clauses 10 and 11;

— Annex C has been reviewed, introducing new classes and attributes to support the implementation

of features used in other exchange patterns;
— Annex H has been deleted;
— Certain figures have been improved.
© ISO 2022 – All rights reserved
---------------------- Page: 6 ----------------------
ISO/TS 19468:2022(E)

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
vii
© ISO 2022 – All rights reserved
---------------------- Page: 7 ----------------------
ISO/TS 19468:2022(E)
Introduction

This document defines a common set of data exchange specifications to support the vision of a seamless

interoperable exchange of traffic and travel information across boundaries, including national, urban,

interurban, road administrations, infrastructure providers and service providers. Standardization

in this context is a vital constituent to ensure interoperability, reduction of risk, reduction of the cost

base, promotion of open marketplaces and many social, economic and community benefits to be gained

from more informed travellers, network managers and transport operators.
[13]

Especially in Europe, delivering transport policy in line with the White Paper issued by the European

Commission requires co-ordination of traffic management and development of seam
...

TECHNICAL ISO/TS
SPECIFICATION 19468
Second edition
Intelligent transport systems —
Data interfaces between centres for
transport information and control
systems — Platform-independent
model specifications for data exchange
protocols for transport information
and control systems
Systèmes de transport intelligents — Interface de données entre
centres pour les systèmes de commande et d'information des
transports — Spécification du modèle indépendant de plateforme
pour les protocoles d'échange de données pour les systèmes de
commande et d'information des transports
PROOF/ÉPREUVE
Reference number
ISO/TS 19468:2021(E)
© ISO 2021
---------------------- Page: 1 ----------------------
ISO/TS 19468:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

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
PROOF/ÉPREUVE © ISO 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/TS 19468:2021(E)
Contents Page

Foreword ....................................................................................................................................................................................................................................... vi

Introduction ...........................................................................................................................................................................................................................viii

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 Symbols and abbreviated terms..........................................................................................................................................................4

5 Exchange modeling framework ...........................................................................................................................................................5

5.1 Overview ...................................................................................................................................................................................................... 5

5.2 Business scenarios and functional exchange profiles ......................................................................................... 5

5.3 Requirements, features and exchange patterns ....................................................................................................... 6

5.4 Business scenario: information delivery ......................................................................................................................... 7

5.4.1 Overview ................................................................................................................................................................................... 7

5.4.2 Requirements ........................................................................................................................................................................ 9

5.4.3 Data delivery exchange pattern ............................................................................................................................ 9

5.4.4 Specific exchange pattern specification PIMs included in this document ...................... 9

5.5 Business scenario: collaborative ITS services ............................................................................................................ 9

5.5.1 Overview ................................................................................................................................................................................... 9

5.5.2 Data exchange-enabling service request and feedback paradigm ..................................... 10

5.5.3 Requirements ..................................................................................................................................................................... 11

5.6 Exchange data model ..................................................................................................................................................................... 11

5.7 Data exchange features ................................................................................................................................................................ 11

5.7.1 Context diagram .............................................................................................................................................................. 11

5.7.2 Features ................................................................................................................................................................................... 12

5.8 Exchange pattern modeling using UML ........................................................................................................................ 16

6 Snapshot pull .........................................................................................................................................................................................................20

6.1 Overview ................................................................................................................................................................................................... 20

6.2 Exchange pattern messages definition .......................................................................................................................... 21

6.2.1 Overall presentation .................................................................................................................................................... 21

6.2.2 Exchange pattern definition ................................................................................................................................. 22

6.2.3 Relevant exchange information in exchange data model ............................................................23

6.2.4 Exchange messages ....................................................................................................................................................... 23

6.3 State diagrams .....................................................................................................................................................................................23

6.4 Features implementation description ............................................................................................................................ 23

6.4.1 Overview ................................................................................................................................................................................ 23

6.4.2 Subscription contract .................................................................................................................................................. 24

6.4.3 Session ...................................................................................................................................................................................... 24

6.4.4 Information management........................................................................................................................................ 24

6.4.5 Data delivery ....................................................................................................................................................................... 25

6.4.6 Self-description ...................................................................... ........................................................................................... 27

6.4.7 Communication................................................................................................................................................................. 27

6.4.8 General optimization issues .................................................................................................................................. 27

7 Snapshot push ......................................................................................................................................................................................................27

7.1 Overview ................................................................................................................................................................................................... 27

7.2 Exchange pattern messages definition ..........................................................................................................................28

7.2.1 Overall presentation ....................................................................................................................................................28

7.2.2 Basic exchange pattern ........................................................................................................................................... ...28

7.2.3 Relevant exchange information in exchange data model ............................................................29

7.2.4 Exchanged messages ...................................................................................................................................................30

7.3 State diagrams .....................................................................................................................................................................................30

7.4 Features implementation description ............................................................................................................................30

7.4.1 Subscription contract .................................................................................................................................................. 31

7.4.2 Session ...................................................................................................................................................................................... 31

iii
© ISO 2021 – All rights reserved PROOF/ÉPREUVE
---------------------- Page: 3 ----------------------
ISO/TS 19468:2021(E)

7.4.3 Information management........................................................................................................................................ 31

7.4.4 Data delivery ....................................................................................................................................................................... 31

7.4.5 Self-description ................................................................................................................................................................. 33

7.4.6 Communication/protocol ........................................................................................................................................ 33

7.4.7 General optimization issues .................................................................................................................................. 33

8 Simple push ...................................................................... .......................................................................................................................................33

8.1 Overview ................................................................................................................................................................................................... 33

8.2 Exchange pattern messages definition ..........................................................................................................................34

8.2.1 Overall presentation ....................................................................................................................................................34

8.2.2 Basic exchange pattern .............................................................................................................................................. 35

8.2.3 Relevant exchange information from exchange data model ....................................................36

8.2.4 List of exchanged messages ................................................................................................................................... 37

8.3 State diagrams .....................................................................................................................................................................................38

8.4 Features implementation description ............................................................................................................................40

8.4.1 Overview ................................................................................................................................................................................40

8.4.2 Subscription contract ..................................................................................................................................................40

8.4.3 Session ......................................................................................................................................................................................40

8.4.4 Information management........................................................................................................................................ 42

8.4.5 Data delivery ....................................................................................................................................................................... 42

8.4.6 Self-description ...................................................................... ........................................................................................... 43

8.4.7 Communication/protocol ........................................................................................................................................ 43

8.4.8 General optimization issues .................................................................................................................................. 43

9 Stateful push ..........................................................................................................................................................................................................43

9.1 Overview ................................................................................................................................................................................................... 43

9.2 Exchange pattern messages definition ..........................................................................................................................44

9.2.1 Overall presentation ....................................................................................................................................................44

9.2.2 Basic exchange pattern ........................................................................................................................................... ... 45

9.2.3 Relevant exchange information from exchange data model .................................................... 47

9.2.4 List of exchanged messages ...................................................................................................................................48

9.3 State Diagrams ....................................................................................................................................................................................48

9.4 Features implementation description ............................................................................................................................50

9.4.1 Overview ................................................................................................................................................................................50

9.4.2 Subscription contract .................................................................................................................................................. 51

9.4.3 Session ...................................................................................................................................................................................... 51

9.4.4 Information management........................................................................................................................................ 53

9.4.5 Data delivery ....................................................................................................................................................................... 53

9.4.6 Self-description .................................................................................................................................................................54

9.4.7 Communication.................................................................................................................................................................54

9.4.8 General optimization issues ..................................................................................................................................54

10 Simple CIS .................................................................................................................................................................................................................55

10.1 Overview ................................................................................................................................................................................................... 55

10.2 Exchange pattern and messages definition ............................................................................................................... 55

10.2.1 Overall presentation ....................................................................................................................................................55

10.2.2 Basic exchange pattern ........................................................................................................................................... ...56

10.2.3 Relevant exchange information from exchange data model ....................................................58

10.2.4 Exchanged messages ................................................................................................................................................... 59

10.3 State diagrams .....................................................................................................................................................................................60

10.4 Features implementation description ............................................................................................................................ 61

10.4.1 Overview ................................................................................................................................................................................ 61

10.4.2 Subscription contract .................................................................................................................................................. 61

10.4.3 Session ...................................................................................................................................................................................... 61

10.4.4 Information management........................................................................................................................................ 61

10.4.5 Self-description ...................................................................... ...........................................................................................66

10.4.6 Communication/protocol ........................................................................................................................................66

11 Stateful CIS ..............................................................................................................................................................................................................66

11.1 Overview ...................................................................................................................................................................................................66

PROOF/ÉPREUVE © ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/TS 19468:2021(E)

11.2 Exchange pattern and messages definition ............................................................................................................... 67

11.2.1 Overall presentation .................................................................................................................................................... 67

11.2.2 Basic exchange pattern ..............................................................................................................................................68

11.2.3 Relevant exchange information from exchange data model .................................................... 70

11.2.4 Exchanged messages ................................................................................................................................................... 71

11.3 State diagrams .....................................................................................................................................................................................73

11.4 Features implementation description ............................................................................................................................ 75

11.4.1 Overview ................................................................................................................................................................................ 75

11.4.2 Subscription contract .................................................................................................................................................. 76

11.4.3 Session ...................................................................................................................................................................................... 76

11.4.4 Information management........................................................................................................................................ 76

11.4.5 Self-description ...................................................................... ...........................................................................................77

11.4.6 Communication.................................................................................................................................................................77

12 Other PIM definitions ..................................................................................................................................................................................77

Annex A (informative) Methodology presentation ............................................................................................................................78

Annex B (normative) Definition of requirements ..............................................................................................................................80

Annex C (normative) Basic exchange data model and data dictionary .......................................................................85

Annex D (informative) Introduction to communications and protocols ............................................................... 118

Annex E (informative) Major functional exchange profile and exchange patterns for

information delivery................................................................................................................................................................................. 123

Annex F (informative) Data delivery background: stateless and stateful information with

information life cycle management .......................................................................................................................................... 125

Annex G (informative) Collaborative ITS services (CIS) background ....................................................................... 127

Bibliography ......................................................................................................................................................................................................................... 140

© ISO 2021 – All rights reserved PROOF/ÉPREUVE
---------------------- Page: 5 ----------------------
ISO/TS 19468:2021(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 204, Intelligent transport systems, in

collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC

278, Intelligent transport systems, in accordance with the Agreement on technical cooperation between

ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO/TS 19468:2019), which has been

technically revised.
The main changes are as follows:

— UML Communication diagrams have been improved (introduction of Agents and Interfaces to define

actor subsystems interactions and addition of subclause 5.8 to describe UML modeling methodology

adopted);
— Void input parameter has been defined;

— Description of FEP+EP implementation has been improved with appropriate normative language;

— Publish Subscrube Exchange Pattern has been removed;

— Collaborative Intellignet Transport Systems (ITS) services requirements and features have been

reviewed and added in Clause 5 and Annexes B and E;

— Collaborative ITS service FEP+EP PIM description has been introduced in Clauses 10 and 11;

— Annex C has been reviewed, introducing new classes and attributes to support the implementation

of features used in other exchange patterns;
— Annex H has been deleted;
— Certain figures have been improved.
PROOF/ÉPREUVE © ISO 2021 – All rights reserved
---------------------- Page: 6 ----------------------
ISO/TS 19468:2021(E)

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
vii
© ISO 2021 – All rights reserved PROOF/ÉPREUVE
---------------------- Page: 7 ----------------------
ISO/TS 19468:2021(E)
Introduction

This document defines a common set of data exchange specifications to support the vision of a seamless

interoperable exchange of traffic and travel information across boundaries, including national, urban,

interurban, road administrations, infrastructure providers and service providers. Standardization

in this context is a vital constituent to ensure interoperability, reduction of risk, reduction of the cost

base, promotion of open marketplaces and many social, economic and community benefits to be gained

from more informed travellers, network managers and transport operators.
[13]

Especially in Europe, delivering transport policy in line with the White Paper issued by the Eur

...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.