Intelligent transport systems - Cooperative systems - Data exchange specification for in-vehicle presentation of external road and traffic related data (ISO/TS 17425:2016)

ISO/TS 17425:2016 specifies the In-Vehicle Signage service and application that delivers In-Vehicle Signage information to ITS stations (vehicle ITS stations or personal ITS stations devices) concerning road and traffic conditions, qualified by road authorities/operators, in a consistent way with road authority's/operator's requirements, in the manner that is coherent with the information that would be displayed on a road sign or variable message sign (VMS).
NOTE          A Variable Message Sign is also named dynamic message sign. Both terms are considered as synonyms and can be used interchangeably. In the text below, only variable message sign and its abbreviated term VMS are used.
ISO/TS 17425:2016 defines the following:
-      the In-Vehicle Signage service and the In-Vehicle Signage application that instantiates this ITS service;
-      the requirements to be fulfilled by the In-Vehicle Signage service;
-      the requirements for using functions provided by the ITS station facilities layer supporting the use of the In-Vehicle Signage service;
-      the ITS-S application processes in the different ITS station, that instantiate the In-Vehicle Signage ITS service.
ISO/TS 17425:2016 also specifies: the sets of communication requirements and objectives (profiles) using the methods defined in ISO/TS 17423 to select the level of performance (best effort or real-time, etc.), confidence and security (authentication, encryption, etc.) for each communication flow between ITS stations in the scope of the In-Vehicle Signage service.
This Technical Specification defines the selection of relevant functions and procedures provided by the ITS station facilities layer (ISO/TS 17429) and defines the message structure, content, syntax, atomic elements to be used by the In-Vehicle Signage application.
NOTE          This application is colloquially called "In-Vehicle Signage".
The In-Vehicle Signage service includes the on-board information management. This management ensures contextual coherence of the end-user ITS service (e.g. vehicle characteristics, message priority, etc. avoiding amongst others things the presentation of conflicting information to end-users).
The production of information supporting the In-Vehicle Signage application, its qualification, and its relevance are out of the scope of this Technical Specification.
ISO/TS 17425:2016 does not specify the design of in-vehicle Human Machine Interfaces (HMI), but it does specify requirements that such interfaces shall be capable of supporting in order to permit the correct dissemination and use of information provided by the In-Vehicle Signage service.

Intelligente Transportsysteme - Kooperative Systeme - Datenaustausch Spezifikation für die fahrzeuginterne Darstellung von externen Straßen- und verkehrsrelevanten Daten (ISO/TS 17425:2016)

Systèmes intelligents de transport - Systèmes coopératifs - Spécifications d'échange des données pour la présentation dans le véhicule de la route externe et des données relatives au trafic (ISO/TS 17425:2016)

Inteligentni transportni sistemi - Kooperativni sistemi - Specifikacije za izmenjavo zunanjih cestnih in prometnih podatkov za prikaz v vozilu (ISO 17425:2016)

Področje uporabe te tehnične specifikacije je opredelitev programa za posredovanje informacij o razmerah na ustreznih cestah ali v prometu postajam inteligentnih transportnih sistemov (vozilo ali nomadska naprava) na način, ki je skladen z zahtevami cestno prometnih organov in upravljavcev cest ter z informacijami za prikaz na prometnem znaku ali znaku s spremenljivo vsebino (VMS/DMS). Ta program se pogovorno imenuje »znak v vozilu«. Ciljni osnutek vključuje upravljanje informacij v vozilu, da se zagotovi kontekstualna skladnost (npr. lastnosti vozila, pomembnost sporočila itd.). Priprava, odobritev in ustreznost informacij za namen tega programa, za kar so odgovorni cestno prometni organi ter upravljavci cest (na splošno TCC ali TMC), ne spadajo na področje uporabe te tehnične specifikacije.

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Publication Date
21-Jun-2016
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
22-Jun-2016
Completion Date
22-Jun-2016

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SLOVENSKI STANDARD
SIST-TS CEN ISO/TS 17425:2016
01-oktober-2016

Inteligentni transportni sistemi - Kooperativni sistemi - Specifikacije za izmenjavo

zunanjih cestnih in prometnih podatkov za prikaz v vozilu (ISO 17425:2016)

Intelligent transport systems - Cooperative systems - Data exchange specification for in-

vehicle presentation of external road and traffic related data (ISO 17425:2016)

Intelligente Transportsysteme - Kooperative Systeme - Datenaustausch Spezifikation für

die fahrzeuginterne Darstellung von externen Straßen- und verkehrsrelevanten Daten

(ISO 17425:2016)

Systèmes intelligents de transport - Systèmes coopératifs - Spécifications d'échange des

données pour la présentation dans le véhicule de la route externe et des données
relatives au trafic (ISO 17425:2016)
Ta slovenski standard je istoveten z: CEN ISO/TS 17425:2016
ICS:
03.220.01 Transport na splošno Transport in general
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
43.040.15 $YWRPRELOVNDLQIRUPDWLND Car informatics. On board
9JUDMHQLUDþXQDOQLãNLVLVWHPL computer systems
SIST-TS CEN ISO/TS 17425:2016 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN ISO/TS 17425:2016
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SIST-TS CEN ISO/TS 17425:2016
CEN ISO/TS 17425
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
June 2016
TECHNISCHE SPEZIFIKATION
ICS 35.240.60; 03.220.01
English Version
Intelligent transport systems - Cooperative systems - Data
exchange specification for in-vehicle presentation of
external road and traffic related data (ISO/TS
17425:2016)

Systèmes intelligents de transport - Systèmes Intelligente Transportsysteme - Kooperative Systeme -

coopératifs - Spécifications d'échange des données Datenaustausch Spezifikation für die fahrzeuginterne

pour la présentation dans le véhicule de la route Darstellung von externen Straßen- und

externe et des données relatives au trafic (ISO/TS verkehrsrelevanten Daten (ISO/TS 17425:2016)

17425:2016)

This Technical Specification (CEN/TS) was approved by CEN on 4 April 2016 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TS 17425:2016 E

worldwide for CEN national Members.
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SIST-TS CEN ISO/TS 17425:2016
CEN ISO/TS 17425:2016 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST-TS CEN ISO/TS 17425:2016
CEN ISO/TS 17425:2016 (E)
European foreword

This document (CEN ISO/TS 17425:2016) 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 [and/or CENELEC] shall not be held responsible for identifying any or all such patent

rights.

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, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO/TS 17425:2016 has been approved by CEN as CEN ISO/TS 17425:2016 without any

modification.
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SIST-TS CEN ISO/TS 17425:2016
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SIST-TS CEN ISO/TS 17425:2016
TECHNICAL ISO/TS
SPECIFICATION 17425
First edition
2016-05-15
Intelligent transport systems —
Cooperative systems — Data
exchange specification for in-vehicle
presentation of external road and
traffic related data
Systèmes intelligents de transport — Systèmes coopératifs —
Spécifications d’échange des données pour la présentation dans le
véhicule de la route externe et des données relatives au trafic
Reference number
ISO/TS 17425:2016(E)
ISO 2016
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SIST-TS CEN ISO/TS 17425:2016
ISO/TS 17425:2016(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2016, Published in Switzerland

All rights reserved. Unless otherwise specified, 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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved
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SIST-TS CEN ISO/TS 17425:2016
ISO/TS 17425:2016(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

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

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

3 Terms and definitions ..................................................................................................................................................................................... 2

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

5 Service definition and main concepts ............................................................................................................................................ 4

5.1 General ........................................................................................................................................................................................................... 4

5.2 Service definition .................................................................................................................................................................................. 6

5.2.1 Definition ................................................................................................................................................................................ 6

5.2.2 Message categories ........................................................................................................................................................ 6

5.2.3 Core services ....................................................................................................................................................................... 6

5.2.4 Additional services ........................................................................................................................................... .............. 7

5.3 Fundamental parameters .............................................................................................................................................................. 7

5.3.1 Spatial relevance .............................................................................................................................................................. 7

5.3.2 Temporal validity .................. .................................................... ....................................................................................... 8

5.3.3 Other parameters ............................................................................................................................................................ 9

5.4 Example of system implementation ..................................................................................................................................... 9

5.4.1 General description ....................................................................................................................................................... 9

5.4.2 Interface identification ............................................................................................................................................10

6 Roles and responsibilities .......................................................................................................................................................................10

6.1 Scenarios for In-Vehicle Signage ...........................................................................................................................................10

6.2 System operation roles in scenario I–I–V ......................................................................................................................12

6.3 Possible actors in In-Vehicle Signage ................................................................................................................................13

7 Requirements and recommendations.........................................................................................................................................14

7.1 General ........................................................................................................................................................................................................14

7.2 General requirements ....................................................................................................................................................................14

7.3 Message content .................................................................................................................................................................................14

7.4 Message management requirements ................................................................................................................................15

7.4.1 IVS sending ITS station requirements ........................................................................................................15

7.4.2 Roadside ITS station ..................................................................................................................................................16

7.4.3 IVS receiving ITS station requirements .....................................................................................................16

7.4.4 Transmission of IVS information to the HMI control unit .........................................................17

7.5 Recommendations for information processing in relation with the presentation to

vehicle drivers ......................................................................................................................................................................................18

Annex A (informative) Profile 1 ..............................................................................................................................................................................20

Annex B (informative) Profile 2 ..............................................................................................................................................................................86

Annex C (informative) Elements about static road signing ........................................................................................................90

Annex D (informative) Different technologies and layouts used in VMS .....................................................................92

Annex E (informative) Topology of the relevance zone of the different road signs ..........................................95

Annex F (informative) Elements of data modelling using UML ..........................................................................................100

Bibliography .........................................................................................................................................................................................................................103

© ISO 2016 – All rights reserved iii
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SIST-TS CEN ISO/TS 17425:2016
ISO/TS 17425:2016(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 on the meaning of ISO specific terms and expressions related to conformity

assessment, as well as information about ISO’s adherence to the WTO principles in the Technical

Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.

The committee responsible for this document is ISO/TC 204, Intelligent transport systems.

iv © ISO 2016 – All rights reserved
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ISO/TS 17425:2016(E)
Introduction

Traditional fixed road signs are positioned on road verges to inform drivers about the applicable

regulations, or to warn them about dangers or to provide them with other general information – this

can be considered as roadside signage information. Beyond this fixed signage, the newer technologies

have now allowed for some time for more accurate dynamic presentation of roadside signage

information depending on the actual road and environmental conditions using variable or dynamic

message signs. With the advent of Cooperative Intelligent Transport Systems (C-ITS) it is possible to

provide more focused and timely guidance to vehicle controllers and drivers by supporting continuous

presentation of the content of roadside signage information in the vehicle along the impacted road

section rather only during the short moments its takes for a vehicle to pass traditional road signs.

Direct in-vehicle presentation of roadside signage information, called In-Vehicle Signage, facilitates the

potential provision of information to specific classes or characteristics of vehicles, and for potentially

more granular definition of affected road sections than stationary-position traditional fixed plate signs

and use of variable/dynamic road signs. It does not deal with contextual speeds which are covered by

ISO/TS 17426.

Delivering the In-Vehicle Signage service to road users can improve road safety, support traffic

management, and reduce greenhouse gas emissions. It does not preclude other usage of the delivered

information but such services are not in the scope of this Technical Specification.

All ITS services follow the same abstract process structure consisting of a sequence of detection (of an

event) including pre-processing of the detected content, execution of the service algorithm (processing

of detected content), and presentation or utilization of the service result. Figure 1 (extracted from

ISO/TS 17427) summarizes and details this process structure.

Figure 1 — General description of process for In-Vehicle Signage (from ISO/TS 17427:2014,

Annex A)

Based on this abstract and general description of process steps in an ITS service, a large number of

possible scenarios can be derived. This is true for In-Vehicle Signage. Every step in the process chain

can be executed by different actors or stakeholders. Additionally, the execution of a process step for

different spatial areas may be delivered by different actors. Each combination of different actors for

different process steps can be used to identify distinct scenarios.

Assuming that there are two main stakeholder groups in C-ITS, the Infrastructure stakeholder and

the Vehicle stakeholder, multiple combinations, and therefore multiple scenarios, are possible as every

step might be delivered by either stakeholder group (see Figure 2) or shared between both stakeholder

groups (see Figure 3).
© ISO 2016 – All rights reserved v
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SIST-TS CEN ISO/TS 17425:2016
ISO/TS 17425:2016(E)
Figure 2 — Possible scenarios — Simple combinations
Figure 3 — Possible scenarios — Complex combinations

Every scenario is one specific of combination of stakeholders executing process steps. This Technical

Specification addresses the scenarios where detection, content pre-processing, and the information

service generation (see Figure 1) are delivered under the responsibility of the infrastructure

stakeholder group (scenario 7 as seen in Figure 2). In scenario 7, the information service presentation

takes place in the vehicle. Scenario 7 is considered in detail in this Technical Specification.

The defined C-ITS applications rely on the functionality and procedures defined within the

Communications Architecture and by the reference ITS station architecture (as defined in ISO 21217

and other International Standards or Technical Specifications from the C-ITS standard set).

vi © ISO 2016 – All rights reserved
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ISO/TS 17425:2016(E)

Annex A and Annex B contain profiles that define an instantiation for the IVS service. Annex A and

Annex B contain conditional mandatory requirements. There is no need to comply with these

requirements to claim compliance with this Technical Specification.

Annex A contains a profile that is communication technology agnostic. Annex B contains a profile

that is focused on ITS-G5. For details on the referenced standards, see the introduction of the

corresponding Annex.

These profiles are expected to be implemented and validated in European initiatives. Based on the

results of these initiatives, it is intended to specify one interoperable solution in a future version of this

Technical Specification.
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SIST-TS CEN ISO/TS 17425:2016
TECHNICAL SPECIFICATION ISO/TS 17425:2016(E)
Intelligent transport systems — Cooperative systems —
Data exchange specification for in-vehicle presentation of
external road and traffic related data
1 Scope

This Technical Specification specifies the In-Vehicle Signage service and application that delivers In-

Vehicle Signage information to ITS stations (vehicle ITS stations or personal ITS stations devices)

concerning road and traffic conditions, qualified by road authorities/operators, in a consistent way

with road authority’s/operator’s requirements, in the manner that is coherent with the information

that would be displayed on a road sign or variable message sign (VMS).

NOTE A Variable Message Sign is also named dynamic message sign. Both terms are considered as

synonyms and can be used interchangeably. In the text below, only variable message sign and its abbreviated

term VMS are used.
This Technical Specification defines the following:

— the In-Vehicle Signage service and the In-Vehicle Signage application that instantiates this ITS

service;
— the requirements to be fulfilled by the In-Vehicle Signage service;

— the requirements for using functions provided by the ITS station facilities layer supporting the use

of the In-Vehicle Signage service;

— the ITS-S application processes in the different ITS station, that instantiate the In-Vehicle Signage

ITS service.

This Technical Specification also specifies: the sets of communication requirements and objectives

(profiles) using the methods defined in ISO/TS 17423 to select the level of performance (best effort or

real-time, etc.), confidence and security (authentication, encryption, etc.) for each communication flow

between ITS stations in the scope of the In-Vehicle Signage service.

This Technical Specification defines the selection of relevant functions and procedures provided by the

ITS station facilities layer (ISO/TS 17429) and defines the message structure, content, syntax, atomic

elements to be used by the In-Vehicle Signage application.
NOTE This application is colloquially called “In-Vehicle Signage”.

The In-Vehicle Signage service includes the on-board information management. This management

ensures contextual coherence of the end-user ITS service (e.g. vehicle characteristics, message priority,

etc. avoiding amongst others things the presentation of conflicting information to end-users).

The production of information supporting the In-Vehicle Signage application, its qualification, and its

relevance are out of the scope of this Technical Specification.

This Technical Specification does not specify the design of in-vehicle Human Machine Interfaces (HMI),

but it does specify requirements that such interfaces shall be capable of supporting in order to permit

the correct dissemination and use of information provided by the In-Vehicle Signage service.

© ISO 2016 – All rights reserved 1
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ISO/TS 17425:2016(E)
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 639-1, Codes for the representation of names of languages — Part 1: Alpha-2 code

ISO 3166-1, Codes for the representation of names of countries and their subdivisions — Part 1: Country codes

ISO 21217, Intelligent transport systems — Communications access for land mobiles (CALM) — Architecture

ISO/TS 14823, Traffic and travel information — Messages via media independent stationary dissemination

systems — Graphic data dictionary for pre-trip and in-trip information dissemination systems

ISO/TS 16951, Road vehicles — Ergonomic aspects of transport information and control systems (TICS) —

Procedures for determining priority of on-board messages presented to drivers

ISO/TS 17423, Intelligent transport systems — Cooperative systems — ITS application requirements and

objectives for selection of communication profiles

ISO/TS 17429, Intelligent transport systems — Cooperative systems — Profiles for processing and transfer

of information between ITS stations for applications related to transport infrastructure management,

control and guidance
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 21217, ISO/TS 17423,

ISO/TS 17429, and the following apply.
3.1
additional service
IVS service able to deal with the lower levels of message priority
3.2
communication authority
entity in charge of regulating telecommunications and/or broadcast services
3.3
core service
IVS service able to deal with the two highest levels of message priority
3.4
driver awareness zone
DAZ

parts of road network on which a message is present to inform drivers about upcoming situations

3.5
HMI control unit

in-vehicle device that manages prioritisation and presentation of messages designed for consumption

by vehicle occupants
3.6
in-vehicle signage
in-vehicle signage service
IVS

ITS service that provides receiving ITS stations in order to inform drivers about static as well as

dynamic road signs and variable message signs
2 © ISO 2016 – All rights reserved
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ISO/TS 17425:2016(E)
3.7
IVS application
ITS-S application process that instantiates the IVS service
3.8
IVS application service provider
application service provider
service provider
entity that executes the corresponding ITS service

Note 1 to entry: According to ISO/TS 17427, its role can be defined as collecting the content that is required to

run the IVS service, running the IVS service and providing a suitable service response.

3.9
IVS content service provider
content service provider
content provider
source of the in-vehicle signage (3.6) information

Note 1 to entry: According to ISO/TS 17427, its role can be defined as providing the information content for the

IVS service.
3.10
IVS message

message generated for the in-vehicle signage (3.6) ITS service as specified in this Technical Specification

3.11
IVS receiving ITS station
ITS station that receives and processes the IVS messages (3.10)
Note 1 to entry: It can be either a vehicle ITS-S or a personal ITS-S.
3.12
IVS sending ITS station
ITS station that generates and transmits the IVS messages (3.10)
Note 1 to entry: It can be either a central ITS-S or a roadside ITS-S.
3.13
minimum dissemination area
MDA

parts of the road network where the IVS message (3.10) can be received by the potentially targeted

vehicles
3.14
qualified information

information issued by authorised sources (road authorities, traffic managers) for their operated network

3.15
relevance zone
parts of the road network for which the IVS message (3.10) is valid
3.16
traffic manager
entity in charge of operating a road network and managing traffic

Note 1 to entry: For this Technical Specification, this entity is also considered as an enacting road authority;

although in some circumstances, these different activities can be operated by separate entities.

© ISO 2016 – All rights reserved 3
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3.17
validity end time
STO
time from which the IVS message (3.10) shall no longer be presented
3.18
validity start time
STA
time from which the IVS message (3.10) shall be presented
4 Symbols and abbreviated terms
ADU Application data unit
BSMD Bounded secured managed domain
C-ITS Cooperative intelligent transport systems
C-ITS-S Central ITS station
DAZ Driver awareness zone
DMB Digital multimedia broadcast
DMS Dynamic message sign
HMI Human machine interface
ICT Information and communication technologies
ITS Intelligent transport systems
ITS-S ITS station
ITS-SU ITS station unit
ITS-SCU ITS station communication unit
IVS In-Vehicle Signage
LDM Local dynamic map
MDA Minimum dissemination area
P-ITS-S Personal ITS station
R-ITS-S Roadside ITS station
RZ Relevance zone
STA Validity start time
STO Validity end time
TCC Traffic control centre
TMC Traffi
...

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