CEN ISO/TS 19091:2019
(Main)Intelligent transport systems - Cooperative ITS - Using V2I and I2V communications for applications related to signalized intersections (ISO/TS 19091:2019)
Intelligent transport systems - Cooperative ITS - Using V2I and I2V communications for applications related to signalized intersections (ISO/TS 19091:2019)
This document defines the message, data structures, and data elements to support exchanges between the roadside equipment and vehicles to address applications to improve safety, mobility and environmental efficiency. In order to verify that the defined messages will satisfy these applications, a systems engineering process has been employed that traces use cases to requirements and requirements to messages and data concepts.
This document consists of a single document that contains the base specification and a series of annexes. The base specification lists the derived information requirements (labelled informative) and references to other standards for message definitions where available. Annex A contains descriptions of the use cases addressed by this document. Annexes B and C contain traceability matrices that relate use cases to requirements and requirements to the message definitions (i.e. data frames and data elements). The next annexes list the base message requirements and application-oriented specific requirements (requirements traceability matrix) that map to the message and data concepts to be implemented. As such, an implementation consists of the base plus an additional group of extensions within this document.
Details on information requirements, for other than SPaT, MAP, SSM, and SRM messages are provided in other International Standards. The focus of this document is to specify the details of the SPaT, MAP, SSM, and SRM supporting the use cases defined in this document. Adoption of these messages varies by region and their adoption can occur over a significant time period.
This document covers the interface between roadside equipment and vehicles. Applications, their internal algorithms, and the logical distribution of application functionality over any specific system architecture are outside the scope of this document.
Intelligente Transportsysteme - Kooperative ITS - Nutzung von V2I und I2V-Kommunikation für Anwendungen bezogen auf Signalanlagen an Kreuzungen (ISO/TS 19091:2019)
Systèmes intelligents de transport - Coopérative ITS - Utilisation de communications V2I et I2V pour des applications relatives aux intersections signalées (ISO/TS 19091:2019)
Inteligentni transportni sistemi (ITS) - Kooperativni ITS - Uporaba komunikacij V2I in I2V za aplikacije v zvezi s signali v križiščih (ISO/TS 19091:2019)
Ta dokument opredeljuje sporočilo, podatkovne strukture in podatkovne elemente za podporo izmenjav med obcestno opremo ter vozili za obravnavo aplikacij za izboljšanje varnosti, mobilnosti in okoljske učinkovitosti. Za namen preverjanja, ali bodo opredeljena sporočila ustrezala tem aplikacijam, je bil uporabljen postopek inženiringa sistemov, ki spremlja primere uporabe glede na zahteve ter zahteve glede na sporočila in podatkovne koncepte.
Ta dokument obsega en sam dokument, ki vsebuje osnovno specifikacijo in nabor prilog. Osnovna specifikacija navaja izpeljane zahteve po informacijah (označene kot informativne) in sklice na druge standarde za definicije sporočil, če so na voljo. Priloga A vsebuje opise primerov uporabe, ki jih obravnava ta dokument. Prilogi B in C vsebujeta matrike sledljivosti, ki primere uporabe povezujejo z zahtevami ter zahteve z definicijami sporočil (tj. okviri podatkov in podatkovnimi elementi).
V naslednjih prilogah so navedene osnovne zahteve za sporočila in specifične zahteve za aplikacije (matrika sledljivosti zahtev), ki ustrezajo sporočilu ter podatkovnim konceptom, ki jih je treba implementirati. Implementacija v tem dokumentu obsega osnovo in dodatno skupino razširitev.
Podrobnosti o zahtevah glede informacij, razen za sporočila SPaT, MAP, SSM in SRM, so na voljo v
drugih mednarodnih standardih. Cilj tega dokumenta je določiti podrobnosti o sporočilih SPaT, MAP, SSM in SRM, ki podpirajo primere uporabe, opredeljene v tem dokumentu. Sprejetje teh sporočil se po regijah razlikuje in njihovo sprejemanje je lahko dolgotrajno.
Ta dokument zajema vmesnik med obcestno opremo in vozili. Aplikacije, njihovi notranji algoritmi in logična porazdelitev funkcionalnosti aplikacij v kateri koli specifični sistemski arhitekturi so zunaj področja uporabe tega dokumenta.
General Information
Relations
Overview
CEN ISO/TS 19091:2019 - Intelligent transport systems - Cooperative ITS - Using V2I and I2V communications for applications related to signalized intersections - defines the messages, data structures and data elements exchanged between roadside equipment and vehicles to improve safety, mobility and environmental efficiency at signalized intersections. The Technical Specification uses a systems engineering approach that traces use cases to requirements and requirements to messages/data concepts. The document consists of a base specification plus annexed extensions (use case descriptions and traceability matrices).
Keywords: CEN ISO/TS 19091:2019, cooperative ITS, V2I, I2V, signalized intersections, SPaT, MAP, SSM, SRM, roadside equipment, message definitions.
Key topics and requirements
- Message focus: Specifies details for SPaT, MAP, SSM and SRM message types and their supporting data elements as applied to intersection-related use cases.
- Data structures: Defines message formats, data frames and data elements necessary for vehicle–infrastructure exchanges.
- Requirements traceability: Includes annexes (A–C and others) that map use cases → derived information requirements → message definitions, supporting verification and implementation.
- Functional model and architecture: Describes functional models, message interactions and common operational assumptions for V2I/I2V at intersections.
- Application-specific requirements: Presents base message requirements plus optional application-oriented extensions (e.g., priority or pre-emption).
- Scope limits: Covers the interface between roadside equipment and vehicles; application internals, algorithms and system architecture distribution are out of scope.
- Regional adoption note: SPaT/MAP/SSM/SRM message adoption may vary by region and can be phased over time.
Practical applications
- Signal phase & timing advisory: Enabling vehicles to receive real-time signal status to optimize speed profiles and reduce idling.
- Signal priority and pre-emption: Supporting requests from public transport, freight or emergency vehicles for priority or pre-emption at intersections.
- Intersection geometry broadcasts: Distributing map and lane/approach geometry for safer turn and maneuver guidance.
- Safety applications: Enhancing situational awareness for drivers and advanced driver assistance systems (ADAS) through timely V2I/I2V exchanges.
- Environmental and mobility optimization: Reducing stops, improving throughput and lowering emissions by coordinating vehicle behavior with signal timing.
Who should use this standard
- Traffic engineers and city mobility planners specifying V2I systems.
- ITS product developers and roadside equipment manufacturers implementing message sets.
- OEMs and Tier‑1 suppliers integrating V2I/I2V capabilities in vehicles.
- System integrators and consultants verifying conformance and interoperability.
- Standards and regulatory bodies aligning regional ITS deployments.
Related standards
- References and normative links to other ITS message standards are cited where available; SPaT/MAP/SSM/SRM details are the primary focus here. For complete deployments, implementers should consult complementary ITS and GNSS augmentation standards referenced within CEN ISO/TS 19091:2019.
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2019
Nadomešča:
SIST-TS CEN ISO/TS 19091:2017
Inteligentni transportni sistemi (ITS) - Kooperativni ITS - Uporaba komunikacij V2I
in I2V za aplikacije v zvezi s signali v križiščih (ISO/TS 19091:2019)
Intelligent transport systems - Cooperative ITS - Using V2I and I2V communications for
applications related to signalized intersections (ISO/TS 19091:2019)
Intelligente Transportsysteme - Kooperative ITS - Nutzung von V2I und I2V-
Kommunikation für Anwendungen bezogen auf Signalanlagen an Kreuzungen (ISO/TS
19091:2019)
Systèmes intelligents de transport - Coopérative ITS - Utilisation de communications V2I
et I2V pour des applications relatives aux intersections signalées (ISO/TS 19091:2019)
Ta slovenski standard je istoveten z: CEN ISO/TS 19091:2019
ICS:
03.220.20 Cestni transport Road transport
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
CEN ISO/TS 19091
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
July 2019
TECHNISCHE SPEZIFIKATION
ICS 03.220.20; 35.240.60 Supersedes CEN ISO/TS 19091:2017
English Version
Intelligent transport systems - Cooperative ITS - Using V2I
and I2V communications for applications related to
signalized intersections (ISO/TS 19091:2019)
Systèmes intelligents de transport - Coopérative ITS - Intelligente Transportsysteme - Kooperative ITS -
Utilisation de communications V2I et I2V pour des Nutzung von V2I und I2V-Kommunikation für
applications relatives aux intersections signalées Anwendungen bezogen auf Signalanlagen an
(ISO/TS 19091:2019) Kreuzungen (ISO/TS 19091:2019)
This Technical Specification (CEN/TS) was approved by CEN on 14 June 2019 for provisional application.
The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to
submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.
CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS
available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in
parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TS 19091:2019 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (CEN ISO/TS 19091:2019) has been prepared by Technical Committee ISO/TC 204
"Intelligent transport systems" in collaboration with Technical Committee CEN/TC 278 “Intelligent
transport systems” the secretariat of which is held by NEN.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes CEN ISO/TS 19091:2017.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO/TS 19091:2019 has been approved by CEN as CEN ISO/TS 19091:2019 without any
modification.
TECHNICAL ISO/TS
SPECIFICATION 19091
Second edition
2019-06
Intelligent transport systems —
Cooperative ITS — Using V2I and I2V
communications for applications
related to signalized intersections
Systèmes intelligents de transport — Coopérative ITS — Utilisation
de communications V2I et I2V pour des applications relatives aux
intersections signalées
Reference number
ISO/TS 19091:2019(E)
©
ISO 2019
ISO/TS 19091:2019(E)
© ISO 2019
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.
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Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
ISO TS 19091:2019 (E)
Contents Page
Foreword . vi
Introduction . vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Abbreviated terms . 10
5 General description (informative). 12
5.1 Overview . 12
5.2 Functional model . 12
5.2.1 Description . 12
5.2.2 Architecture . 14
5.2.3 Message interactions . 16
5.2.4 Common operational assumptions . 16
5.3 Safety use cases . 18
5.3.1 Intent . 18
5.3.2 Additional assumptions . 18
5.3.3 Architecture implications . 18
5.4 Mobility/sustainability use cases . 19
5.4.1 Intent . 19
5.4.2 Additional assumptions . 19
5.4.3 Architecture implications . 19
5.5 Priority/pre-emption use cases . 20
5.5.1 Intent . 20
5.5.2 Additional assumptions . 21
5.5.3 Architecture implications . 21
5.5.4 Public transport signal priority application . 22
5.5.5 Freight vehicle signal priority application . 23
5.5.6 Emergency (public safety) vehicle pre-emption application . 25
6 Function description (informative). 25
6.1 Public safety vehicle . 26
6.1.1 Broadcast public safety vehicle information . 26
6.1.2 Broadcast emergency response indication. 26
6.2 Signal pre-emption . 26
6.2.1 Signal pre-empt request (normal power) . 26
6.2.2 Signal pre-empt request (high power) . 26
6.2.3 Request signal pre-empt — Message identifier . 27
6.2.4 Request signal pre-empt — Intersection identifier . 27
6.2.5 Request signal pre-empt — Approach lane . 27
6.2.6 Request signal pre-empt — Egress lane . 27
6.2.7 Request signal pre-empt — Vehicle class . 27
6.2.8 Request signal pre-empt — Time of service . 27
6.2.9 Request signal pre-empt — Vehicle identity . 28
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ISO TS 19091:2019 (E)
6.2.10 Request signal pre-empt — Vehicle location and speed . 28
6.2.11 Request signal pre-empt — Cancellation . 28
6.2.12 Request signal pre-empt — Transaction identifier . 28
6.2.13 Request signal pre-empt — Duration . 28
6.3 Public transport and commercial vehicle . 28
6.3.1 Broadcast priority requesting vehicle information . 28
6.4 Signal priority requirements . 29
6.4.1 Signal priority request . 29
6.4.2 Request signal priority — Message identifier . 29
6.4.3 Request signal priority — Intersection identifier . 29
6.4.4 Request signal priority — Approach lane . 29
6.4.5 Request signal priority — Egress lane . 29
6.4.6 Request signal priority — Vehicle class . 30
6.4.7 Request signal priority — Time of service . 30
6.4.8 Request signal priority — Vehicle identity . 30
6.4.9 Request signal priority — Vehicle location and speed . 30
6.4.10 Request signal priority — Service information . 30
6.4.11 Request signal priority cancellation . 31
6.4.12 Request signal priority — Priority request level . 31
6.4.13 Request signal priority — Transaction identifier . 31
6.4.14 Request signal priority — Duration . 31
6.4.15 Request signal priority — Transit schedule . 31
6.5 Broadcast area's geometrics. 31
6.5.1 Broadcast roadway geometrics . 31
6.5.2 Broadcast roadway geometrics — Message identifier . 31
6.5.3 Broadcast intersection — Identifier . 32
6.5.4 Broadcast intersection — Reference point . 32
6.5.5 Broadcast intersection — Lane/approach default width . 32
6.5.6 Broadcast intersection — Egress lanes/approach . 32
6.5.7 Broadcast intersection — Ingress lanes/approach . 32
6.5.8 Broadcast intersection — Lane/approach number . 32
6.5.9 Broadcast intersection — Lane/approach centerline coordinates . 32
6.5.10 Broadcast intersection — Vehicle lane/approach manoeuvres . 33
6.5.11 Broadcast intersection — Pedestrian crossing lane/approach manoeuvres . 33
6.5.12 Broadcast intersection — Special lane/approach manoeuvres . 34
6.5.13 Broadcast intersection — Version identifier . 34
6.5.14 Broadcast intersection — Crossings . 34
6.5.15 Broadcast intersection — Lane/approach width . 34
6.5.16 Broadcast intersection — Node lane/approach width . 34
6.5.17 Broadcast intersection — Egress connection . 35
6.5.18 Broadcast intersection — Traffic control . 35
6.5.19 Broadcast intersection — Traffic control by lane/approach . 35
6.5.20 Broadcast road conditions . 35
6.5.21 Broadcast intersection — Signal group . 35
6.6 Broadcast GNSS augmentation details . 35
6.6.1 Broadcast GNSS augmentations . 35
6.6.2 Broadcast GNSS augmentation detail — NMEA . 36
6.6.3 Broadcast GNSS augmentation detail — RTCM . 36
6.7 Signalized intersection requirements . 36
6.7.1 Broadcast signal phase and timing information . 36
6.7.2 Broadcast signal phase and timing — Message identifier . 36
6.7.3 Broadcast signal phase and timing — Intersection identifier . 36
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ISO TS 19091:2019 (E)
6.7.4 Broadcast signal phase and timing — Intersection status . 36
6.7.5 Broadcast signal phase and timing — Timestamp . 37
6.7.6 Broadcast manoeuvre — Signal group . 37
6.7.7 Broadcast manoeuvre — Manoeuvre state . 37
6.7.8 Broadcast manoeuvre — Vehicular state . 37
6.7.9 Broadcast manoeuvre — Pedestrian state. 37
6.7.10 Broadcast manoeuvre — Special state . 37
6.7.11 Broadcast manoeuvre — Time of change — Minimum . 37
6.7.12 Broadcast manoeuvre — Time of change — Maximum . 38
6.7.13 Broadcast manoeuvre — Succeeding signal indications . 38
6.7.14 Broadcast manoeuvre — Succeeding signal indication time of change . 39
6.7.15 Broadcast manoeuvre pending manoeuvre start time. 39
6.7.16 Broadcast manoeuvre — Pedestrian detect . 39
6.7.17 Broadcast manoeuvre — Pedestrian call . 39
6.7.18 Broadcast manoeuvre — Optimal speed information . 39
6.7.19 Broadcast manoeuvre — Signal progression information . 39
6.7.20 Broadcast manoeuvre — Egress lane queue . 39
6.7.21 Broadcast manoeuvre — Egress lane storage availability . 40
6.7.22 Broadcast manoeuvre — Wait indication . 40
6.8 Broadcast cross traffic sensor information . 40
6.9 Broadcast vulnerable road user sensor information . 40
6.10 Broadcast dilemma zone violation warning. 40
6.11 Broadcast signal preferential treatment status . 40
6.11.1 Broadcast preferential treatment — Signal status message . 40
6.11.2 Broadcast preferential treatment — Message identifier . 41
6.11.3 Broadcast preferential treatment — Intersection identifier . 41
6.11.4 Broadcast preferential treatment — Intersection status . 41
6.11.5 Broadcast preferential treatment — Prioritization request status . 41
6.11.6 Broadcast preferential treatment — Vehicle source . 41
6.11.7 Broadcast preferential treatment — Transaction identifier . 41
6.12 Message identifier . 41
6.13 System performance requirements . 42
6.13.1 Broadcast intersection — Computed lane/approach . 42
6.14 Transmission rates — Signal preferential treatment . 42
6.14.1 Maximum transmission rate — Request signal preferential treatment . 42
6.14.2 Maximum response time — Request signal preferential treatment . 42
6.14.3 Minimum transmission rate — Signal status message . 42
6.14.4 Minimum transmission period — Signal status message . 42
6.15 Transmission rate requirements — Broadcast roadway geometrics information . 42
6.15.1 Minimum transmission rate — Broadcast roadway geometrics information . 43
6.15.2 Maximum transmission rate — Broadcast roadway geometrics information . 43
6.15.3 Default transmission rate — Broadcast roadway geometrics information . 43
6.16 Transmission rate requirements — GNSS augmentations detail broadcasts . 43
6.16.1 Minimum transmission rate — GNSS augmentation details broadcasts . 43
6.16.2 Default transmission rate — GNSS augmentation details broadcasts . 43
6.17 Transmission rate requirements — Broadcast signal phase and timing information . 43
6.17.1 Minimum transmission rate — Broadcast signal phase and timing information. 43
6.17.2 Maximum transmission rate — Broadcast signal phase and timing information . 43
6.17.3 Default transmission rate — Broadcast signal phase and timing information . 43
6.18 Transmission rate requirements — Broadcast cross traffic sensor information . 44
6.18.1 Minimum transmission rate — Broadcast cross traffic sensor information . 44
6.18.2 Maximum transmission rate — Broadcast cross traffic sensor information . 44
6.18.3 Default transmission rate — Broadcast cross traffic sensor information . 44
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ISO TS 19091:2019 (E)
6.19 Transmission rate requirements — Broadcast vulnerable road user sensor
information . 44
6.19.1 Transmission rate — Broadcast vulnerable road user sensor information . 44
6.19.2 Maximum transmission rate — Broadcast vulnerable road user sensor information . 44
6.19.3 Default transmission rate — Broadcast vulnerable road user sensor information . 44
7 Messages . 44
8 Conformance . 45
Annex A (informative) Use cases . 46
Annex B (informative) Use case to requirements traceability . 110
Annex C (informative) Requirements traceability matrix . 127
Annex D (normative) Extension procedures . 143
Annex E (normative) Profile A for J2735™ . 144
Annex F (normative) Profile B for J2735™ . 148
Annex G (normative) Profile C for J2735™ . 173
Bibliography . 233
v
ISO TS 19091:2019 (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.
This second edition cancels and replaces the first edition (ISO/TS 19091:2017), which has been
technically revised.
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.
vi
ISO TS 19091:2019 (E)
Introduction
Cooperative-ITS (C-ITS) is a promising and remarkable advancement of intelligent transport systems
(ITS). Numerous cooperative applications are specified that open up new possibilities to make traffic
safer, more efficient, and smarter. Technologies are developed and improved to realize and support
those new services and applications. To enable those applications, information needs to be reliably
communicated between the stationary infrastructure and mobile vehicles.
This document describes the use cases for several applications that address safety, mobility, and
ecological sustainability. Each use case has information needs that communication between vehicles
and the infrastructure facilitate. It then identifies the information needs for the applications and the
requirements to satisfy them. In turn, it maps the requirements into data frames and data elements to
fulfil the requirements within the specified message set.
ISO 22951 has a relationship to this document. PRESTO addresses its user needs through the
implementation of a specific system architecture similar to that described in NTCIP 1211. This
architecture includes traffic signals, message signs, routing systems, human machine interfaces, and
fixed detection locations. Many of PRESTO's data value details are “left undefined to allow for
discretional definition by each country.” The PRESTO architecture detects priority requesting vehicles
by installing specific detection equipment at these locations.
This document uses a similar set of user needs to develop the message set between vehicles and the
roadside equipment they interface. This document does not address the system architecture other than
data needed to fulfil the user needs that will be managed elsewhere in the architecture. It details data
values and structures in order to define the interface between these two devices. Routing information is
supported in the architecture through other mechanisms and is not a need supported by the vehicle to
roadside equipment information flows. The user needs also provide for priority by approach, a
preconfigured strategy, and ingress/egress lane requests. This document is based on vehicles
periodically broadcasting their location and trajectory information to other vehicles and the roadside
infrastructure. This document complements ISO 22951 as it provides for vehicle location and request
information directly from connected vehicles rather than the detection of the vehicles from other fixed
sensing equipment. It does not address the architecture data flows and operations that are detailed
within ISO 22951. In other terms, this document provides a connected vehicle alternative for request
and status communication without impacting the back office or local intersection operations of priority
management.
vii
ISO TS 19091:2019 (E)
Intelligent transport systems — Cooperative ITS — Using V2I
and I2V communications for applications related to signalized
intersections
1 Scope
This document defines the message, data structures, and data elements to support exchanges between
the roadside equipment and vehicles to address applications to improve safety, mobility and
environmental efficiency. In order to verify that the defined messages will satisfy these applications, a
systems engineering process has been employed that traces use cases to requirements and
requirements to messages and data concepts.
This document consists of a single document that contains the base specification and a series of
annexes. The base specification lists the derived information requirements (labelled informative) and
references to other standards for message definitions where available. Annex A contains descriptions of
the use cases addressed by this document. Annexes B and C contain traceability matrices that relate use
cases to requirements and requirements to the message definitions (i.e. data frames and data elements).
The next annexes list the base message requirements and application-oriented specific requirements
(requirements traceability matrix) that map to the message and data concepts to be implemented. As
such, an implementation consists of the base plus an additional group of extensions within this
document.
Details on information requirements, for other than SPaT, MAP, SSM, and SRM messages are provided in
other International Standards. The focus of this document is to specify the details of the SPaT, MAP,
SSM, and SRM supporting the use cases defined in this document. Adoption of these messages varies by
region and their adoption can occur over a significant time period.
This document covers the interface between roadside equipment and vehicles. Applications, their
internal algorithms, and the logical distribution of application functionality over any specific system
architecture are outside the scope of this document.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
NOTE As this document contains multiple profiles, the reference’s associated profile(s) are listed within
braces.
ISO 22951, Data dictionary and message sets for preemption and prioritization signal systems for
emergency and public transport vehicles (PRESTO) {A, B}
ISO 26684, Intelligent transport systems (ITS) — Cooperative intersection signal information and
violation warning systems (CIWS) — Performance requirements and test procedures {B}
SAE J2735:2016, Dedicated Short Range Communications (DSRC) Message Set Dictionary {A, B, C}
ARIB STD-T109, 700 MHz Band Intelligent Transport Systems {B}
ISO TS 19091:2019 (E)
ITS FORUM RC-010, 700 MHz Band Intelligent Transport Systems — Extended Functions Guideline,
published on March 15, 2012 {B}
ETSI/TS 102 894-2 V1.3.1, Intelligent Transport Systems (ITS); Users and applications requirements; Part
2: Applications and facilities layer; common data dictionary {C}
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at http://www.electropedia.org/
— ISO Online browsing platform: available at http://www.iso.org/obp
NOTE This document requires the understanding of the terminology used in the context of C-ITS and the
various devices involved in its implementation. As a result, the following terms contain important information to
set the context of the discussions which follow in the remaining sections of this document.
3.1
active manoeuvre
traveller paths (vehicles, pedestrians, bicyclists, etc.) that are allowed and have the right of way to enter
and move through the path
Note 1 to entry: This term supersedes allowed movements which means, in the context of this document, the
directions of manoeuvre that are legally allowed at a specific point in time based upon the state of the intersection
signals.
Note 2 to entry: Formerly known as active movement.
3.2
aftermarket safety device
ASD
connected device (3.8) in a vehicle (3.50) that operates while the vehicle is mobile, but which is not fully
integrated into the vehicle systems (as opposed to an OEM device that is pre-installed into the vehicle
systems)
3.3
allowed manoeuvre
traveller paths, e.g. vehicles, pedestrians, bicyclists, legally permitted to be performed when moving
from/into a lane (3.21) or between lanes
3.4
application
software designed to help users perform particular tasks or handle particular types of problems, as
distinct from software that controls the computer itself
Note 1 to entry: In the context of this document, it is a software program that provides functionality to realize
safety, mobility, and environmental benefits.
[SOURCE: ISO/IEC 26514:2008, 4.5, modified – Term ‘application software’ changed to ‘application’ and
Note 1 to entry added.]
ISO TS 19091:2019 (E)
3.5
Barnes dance
signal phase that stops vehicular manoeuvres and allows pedestrian manoeuvres to exclusively occur
across the intersection (3.17) including diagonally moving between corners
Note 1 to entry: Also referred to as a scramble, or “X” crossing. The term refers to Henry Barnes, a deceased traffic
engineer.
3.6
commercial motor vehicle
self-propelled or towed motor vehicle (3.50) used on a highway in commerce to transport passengers or
property when that vehicle is subject to regulations determined by the jurisdiction as to its use on the
road system of the jurisdiction in regulated circumstances and
a) has a gross vehicle weight rating or gross combination weight rating, or gross vehicle weight or
gross combination weight, of 4 536 kg (10 001 pounds) or more, whichever is greater,
b) is designed or used to transport more than 8 passengers (including the driver) for compensation,
c) is designed or used to transport more than 15 passengers, including the driver, and is not used to
transport passengers for compensation
3.7
commercial motor vehicle on-board equipment
OBE (3.29) or ASD (3.2) mounted or in a vehicle (3.50) moving goods, heavy equipment, or people
Note 1 to entry: Vehicles include tractor-trailer combinations, panel trucks, and motor coaches.
3.8
connected device
device used to transmit to or receive messages from another device
Note 1 to entry: A connected device can be sub-categorized as an OBE (3.29), ASD (3.2), or RSE (3.39).
Note 2 to entry: In many cases, the connected device will be a DSRC (3.10) device, but other types of
communications could be supported.
3.9
connected vehicle
vehicle that contains a connected device (3.8)
3.10
dedicated short range communications
DSRC
technology for the transmission of information between multiple vehicles (3.50) (V2V) and between
vehicles and the transportation infrastructure (V2I and I2V) using wireless technologies
Note 1 to entry: It is characterized as having a limited distance (approximately 300 m) but is assumed to be low
latency to establish a connection and exchange information.
Note 2 to entry: Alternative definition - means of effecting (short-range) transactions between fixed equipment
and OBE(s) using an “air interface” comprising inductive or propagated signals between the fixed equipment and
OBE(s).
ISO TS 19091:2019 (E)
3.11
eco-driving
practice of driving in such a way as to minimize fuel consumption and emissions
3.12
eco-lane
dedicated lane(s) (3.21) optimized for eco-driving (3.11) similar to high-occupancy vehicle lanes
Note 1 to entry: However, these lanes are optimized for the environment using connected vehicle data.
Note 2 to entry: These lanes would be targeted toward low-emission, high-occupancy freight, public transport,
and alternative-fuel vehicles (AFV).
Note 3 to entry: Drivers would be able to opt-in to these dedicated eco-lanes to take advantage of eco-friendly
applications such as eco-speed limits, eco-cooperative adaptive cruise control, and connected eco-driving
applications.
3.13
electronic on-board recorder
device on-board a commercial vehicle (3.50) used to record driver information such as hours of service
3.14
inactive manoeuvre
traveller paths, e.g. vehicles, pedestrians, bicyclists, that are allowed and do not have the right of way to
enter and move through the path
3.15
intelligent transportation system
ITS
transport system in which advanced information, communication, sensor, and control technologies,
including the Internet, are applied to increase safety, sustainability, efficiency, and comfort
Note 1 to entry: Another appropriate meaning of the ITS acronym is integrated transportation systems, which
stresses that ITS systems will often integrate components and users from many domains, both public and private.
[SOURCE: ISO/TR 17465-1:2014, 2.3, modified – Note 1 to entry added.]
3.16
interoperability
ability of two or more systems or co
...
Frequently Asked Questions
CEN ISO/TS 19091:2019 is a technical specification published by the European Committee for Standardization (CEN). Its full title is "Intelligent transport systems - Cooperative ITS - Using V2I and I2V communications for applications related to signalized intersections (ISO/TS 19091:2019)". This standard covers: This document defines the message, data structures, and data elements to support exchanges between the roadside equipment and vehicles to address applications to improve safety, mobility and environmental efficiency. In order to verify that the defined messages will satisfy these applications, a systems engineering process has been employed that traces use cases to requirements and requirements to messages and data concepts. This document consists of a single document that contains the base specification and a series of annexes. The base specification lists the derived information requirements (labelled informative) and references to other standards for message definitions where available. Annex A contains descriptions of the use cases addressed by this document. Annexes B and C contain traceability matrices that relate use cases to requirements and requirements to the message definitions (i.e. data frames and data elements). The next annexes list the base message requirements and application-oriented specific requirements (requirements traceability matrix) that map to the message and data concepts to be implemented. As such, an implementation consists of the base plus an additional group of extensions within this document. Details on information requirements, for other than SPaT, MAP, SSM, and SRM messages are provided in other International Standards. The focus of this document is to specify the details of the SPaT, MAP, SSM, and SRM supporting the use cases defined in this document. Adoption of these messages varies by region and their adoption can occur over a significant time period. This document covers the interface between roadside equipment and vehicles. Applications, their internal algorithms, and the logical distribution of application functionality over any specific system architecture are outside the scope of this document.
This document defines the message, data structures, and data elements to support exchanges between the roadside equipment and vehicles to address applications to improve safety, mobility and environmental efficiency. In order to verify that the defined messages will satisfy these applications, a systems engineering process has been employed that traces use cases to requirements and requirements to messages and data concepts. This document consists of a single document that contains the base specification and a series of annexes. The base specification lists the derived information requirements (labelled informative) and references to other standards for message definitions where available. Annex A contains descriptions of the use cases addressed by this document. Annexes B and C contain traceability matrices that relate use cases to requirements and requirements to the message definitions (i.e. data frames and data elements). The next annexes list the base message requirements and application-oriented specific requirements (requirements traceability matrix) that map to the message and data concepts to be implemented. As such, an implementation consists of the base plus an additional group of extensions within this document. Details on information requirements, for other than SPaT, MAP, SSM, and SRM messages are provided in other International Standards. The focus of this document is to specify the details of the SPaT, MAP, SSM, and SRM supporting the use cases defined in this document. Adoption of these messages varies by region and their adoption can occur over a significant time period. This document covers the interface between roadside equipment and vehicles. Applications, their internal algorithms, and the logical distribution of application functionality over any specific system architecture are outside the scope of this document.
CEN ISO/TS 19091:2019 is classified under the following ICS (International Classification for Standards) categories: 03.220.20 - Road transport; 35.240.60 - IT applications in transport. The ICS classification helps identify the subject area and facilitates finding related standards.
CEN ISO/TS 19091:2019 has the following relationships with other standards: It is inter standard links to CEN ISO/TS 19091:2017. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
CEN ISO/TS 19091:2019 is associated with the following European legislation: EU Directives/Regulations: 2010/40/EU; Standardization Mandates: M/453. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase CEN ISO/TS 19091:2019 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Die Norm CEN ISO/TS 19091:2019 ist ein essenzielles Dokument für die Entwicklung intelligenter Verkehrssysteme (ITS), die eine Kooperation zwischen Fahrzeugen (V2I) und Infrastruktur (I2V) fördern. Ihr Geltungsbereich umfasst die Definition von Nachrichten, Datenstrukturen und Datenelementen, die den Austausch zwischen Straßeninfrastruktur und Fahrzeugen unterstützen. Dies zielt darauf ab, Anwendungen zur Verbesserung der Sicherheit, Mobilität und Umweltfreundlichkeit zu fördern. Die Norm ist besonders relevant, da sie einen systematischen Engineering-Prozess anwendet, der Anwendungsfälle zu Anforderungen und Anforderungen zu Nachrichten und Datenkonzepten zurückverfolgt. Ein herausragendes Merkmal dieser Norm ist die klare Strukturierung in eine Basis-Spezifikation und mehrere Anhänge. Die Basis-Spezifikation listet die abgeleiteten Informationsanforderungen auf und verweist auf andere Standards für die Nachrichten-Definitionen, wo dies möglich ist. Die Anhänge A, B und C bieten umfassende Beschreibungen der Anwendungsfälle, Traceability-Matrizen und spezifische Anforderungen, die zu einer effektiven Implementierung beitragen. Diese Struktur erleichtert es den Anwendern, die komplexen Technologien hinter V2I- und I2V-Kommunikationen zu verstehen und anzuwenden. Die Norm legt einen besonderen Fokus auf die Spezifikation der Nachrichtenformate SPaT, MAP, SSM und SRM, die entscheidend für die unterstützten Anwendungsfälle sind. Dies gewährleistet, dass die definierten Nachrichten praktikabel und effizient umgesetzt werden können. Die Möglichkeit zur regionalen Anpassung und die damit verbundene Implementierungszeit sind ebenfalls wichtige Aspekte, die in diesem Dokument berücksichtigt werden. Ein weiterer Stärke dieser Norm ist die Tatsache, dass sie die Schnittstelle zwischen Straßeninfrastruktur und Fahrzeugen effektiv adressiert. Sie bleibt jedoch bewusst außerhalb der Diskussion um interne Algorithmen und die logische Verteilung von Anwendungsfunktionen in spezifischen Systemarchitekturen. Dies ermöglicht es den Entwicklern und Ingenieuren, sich auf die Kernkompetenzen der Kommunikation zwischen Fahrzeug und Infrastruktur zu konzentrieren, ohne von anderen technischen Aspekten abgelenkt zu werden. Insgesamt bietet die CEN ISO/TS 19091:2019 eine robuste Grundlage für die Integration von ITS-Technologien, die nicht nur die gegenwärtigen Anforderungen erfüllen, sondern auch perspektivisch für künftige Entwicklungen in diesem dynamischen Bereich ausreichend Spielraum lassen. Die Norm ist somit von hoher Relevanz für die Gestaltung moderner Verkehrssysteme und trägt entscheidend zur Steigerung der Verkehrssicherheit und Effizienz bei.
CEN ISO/TS 19091:2019 표준은 신호등이 있는 교차로와 관련된 응용 프로그램을 위해 차량과 도로측 장비 간의 V2I(차량 대 인프라) 및 I2V(인프라 대 차량) 통신을 활용한 지능형 교통 시스템에 대한 명확한 지침을 제공합니다. 이 문서는 안전성, 이동성 및 환경 효율성을 개선하기 위해 필요한 메시지, 데이터 구조 및 데이터 요소를 정의하고 있습니다. 이 표준의 주요 강점은 시스템 엔지니어링 프로세스를 활용하여 사용 사례와 요구 사항, 그리고 메시지와 데이터 개념 간의 추적성을 확립하였다는 점입니다. 이를 통해 개발된 메시지가 실제로 응용 프로그램의 요구 사항을 충족하게 됩니다. 또한, 기본 사양은 파생된 정보 요구 사항을 나열하며, 이는 정보성 요구 사항으로 명시되어 다른 표준들과의 참조를 제공합니다. 문서의 부록 A는 이 문서에서 다루는 사용 사례에 대한 설명을 포함하고 있으며, 부록 B 및 C에는 사용 사례와 요구 사항, 요구 사항과 메시지 정의 간의 추적성 행렬이 포함되어 있습니다. 이러한 구조는 응용 프로그램 지향적인 특정 요구 사항과 기본 메시지 요구 사항의 매핑을 명확하게 하고, 최종 구현이 이 문서 내의 기본 사양과 추가 확장 그룹으로 구성되도록 하는 데 기여합니다. SPaT(신호 상태), MAP(지도), SSM(차선 상태 메시지), SRM(상태 보고 메시지)와 관련된 요구 사항의 세부 사항은 다른 국제 표준에서 제공됩니다. 하지만 이 문서의 핵심은 SPaT, MAP, SSM 및 SRM 메시지의 세부 사항을 규정하여 정의된 사용 사례를 지원하는 데 있습니다. 이러한 메시지의 채택은 지역에 따라 다르며, 시간이 지남에 따라 진행될 수 있습니다. 전반적으로 CEN ISO/TS 19091:2019 표준은 도로측 장비와 차량 간의 인터페이스를 효과적으로 정의하고 있으며, 교통 시스템의 안전성과 효율성을 높이는 데 중요한 역할을 하고 있습니다. 응용 프로그램의 내부 알고리즘이나 특정 시스템 아키텍처에 대한 논리적 기능 분배는 이 문서의 범위를 벗어나지만, 제시된 기준은 교통 시스템의 미래 지향적인 발전에 필수적인 기초를 제공합니다.
La norme CEN ISO/TS 19091:2019 est un document fondamental qui se concentre sur les systèmes de transport intelligents, en particulier les systèmes coopératifs ITS qui utilisent les communications V2I (Vehicle-to-Infrastructure) et I2V (Infrastructure-to-Vehicle) pour améliorer la sécurité, la mobilité et l'efficacité environnementale aux intersections signalées. Le champ d'application de cette norme est clairement défini, englobant la spécification des messages, des structures de données et des éléments de données nécessaires pour faciliter les échanges entre les équipements de bord de route et les véhicules. Parmi ses forces, cette norme emploie un processus d'ingénierie des systèmes rigoureux qui permet de garantir que les messages définis répondent effectivement aux applications visées. Cela assure une traçabilité claire des cas d'utilisation aux exigences, puis de ces exigences aux messages et concepts de données. La norme comprend une spécification de base ainsi qu'une série d'annexes détaillant les exigences d'information dérivées, qui permettent une compréhension approfondie des besoins de communication. Les annexes A, B et C fournissent des matrices de traçabilité qui sont essentielles pour relier les cas d'utilisation aux exigences et celles-ci aux définitions de messages, notamment les trames de données et les éléments de données. Cette structure permet non seulement d'établir une cohérence et une clarté dans la mise en œuvre des communications V2I et I2V, mais également de s'assurer que les exigences de base sont complétées par des groupes d'extensions pertinentes à l'intérieur du document. Le focus sur les messages SPaT, MAP, SSM et SRM est particulièrement pertinent étant donné leur rôle central dans les applications des réseaux de transport intelligents. Bien que l'adoption de ces messages puisse varier selon les régions et s'étendre sur une période significative, la norme offre un cadre solide pour faciliter leur intégration. Il est à noter que les applications, les algorithmes internes, et la répartition logique des fonctionnalités au sein de l'architecture de systèmes spécifiques ne relèvent pas du champ d'application de cette norme, ce qui garantit que son contenu reste concentré et pertinent pour les interactions entre les équipements de bord de route et les véhicules. En somme, la norme CEN ISO/TS 19091:2019 se positionne comme un document clé pour l'avancement des communications dans les systèmes de transport intelligents, apportant une base essentielle pour des initiatives de sécurité routière et une gestion de la mobilité améliorée.
The CEN ISO/TS 19091:2019 standard establishes a comprehensive framework for Intelligent Transport Systems (ITS), particularly focusing on Cooperative ITS that utilize Vehicle-to-Infrastructure (V2I) and Infrastructure-to-Vehicle (I2V) communications. Its scope encompasses defining essential messages, data structures, and data elements that facilitate interactions between roadside equipment and vehicles aimed at enhancing safety, mobility, and environmental efficiency at signalized intersections. One of the notable strengths of this standard is its clear structure, comprising both a base specification and a series of annexes that detail various aspects crucial for effective implementation. The base specification outlines derived information requirements, which are informative and directly relevant to the message definitions, ensuring a consistent approach to data exchange. Furthermore, the inclusion of detailed traceability matrices in Annexes B and C is particularly beneficial. These matrices effectively link use cases to requirements and then to the respective message definitions, aiding developers in understanding the interconnections between various components of the system. The standard specifically emphasizes the messages related to Signal Phase and Timing (SPaT), MAP, Status and State Messages (SSM), and Signal Request Messages (SRM), providing a focused approach that meets the specific needs of ITS applications. This clarity about the types of messages included sets a strong foundation for widespread adoption, although the document acknowledges that implementation may vary by region and may require considerable time for full integration. Moreover, the document successfully delineates the boundaries of its scope. By clearly stating that it focuses on the interface between roadside equipment and vehicles, it adeptly avoids potential overlaps with other standards that may cover internal algorithms or application functionality. This targeted focus enhances the relevance of the standard, as it directs resources and development efforts toward specific areas where they are most needed. Overall, CEN ISO/TS 19091:2019 stands out as a critical standard for fostering improved safety and efficiency in transportation systems through structured message exchange and comprehensive specification guidelines. Its robust framework for V2I and I2V communication positions it as a pivotal resource for future developments and standardization efforts within the ITS domain.
CEN ISO/TS 19091:2019は、信号交差点に関連するアプリケーションのためのV2I（Vehicle-to-Infrastructure）およびI2V（Infrastructure-to-Vehicle）通信を活用するための協調型ITS（Intelligent Transport Systems）を定義する重要な標準です。この標準文書は、道路側設備と車両の間でのメッセージ、データ構造、およびデータ要素の交換をサポートする内容を詳細に説明しています。 この文書の範囲は、安全性、移動性、および環境効率を向上させるためのアプリケーションに特化しています。そのため、システムエンジニアリングプロセスを適用し、使用ケースから要求、そして要求からメッセージやデータ概念までのトレーサビリティを確立しています。これにより、定義されたメッセージが特定のアプリケーションの要件を満たすことを確認できる点が、この標準の大きな強みです。 文書は基本仕様と一連の附属書で構成されており、基本仕様には派生情報要件（情報提供型としてラベル付けされたもの）や、メッセージ定義のための他の標準への参照が含まれています。附属書Aでは、文書で扱われる使用ケースの説明が提供されており、附属書BおよびCでは、使用ケースと要求、要求とメッセージ定義（データフレームおよびデータ要素）の間のトレーサビリティマトリックスが示されています。 この標準はSPaT（Signal Phase and Timing）、MAP（Map）、SSM（Signal Status Message）、SRM（Signal Request Message）といったメッセージの詳細を指定することに注力しており、他の国際標準における情報要件に関する詳細も提供されています。これにより、地域によって異なるメッセージの採用状況が考慮され、長期間にわたる導入プロセスが促進されることが期待されます。 また、この文書は道路側設備と車両間のインターフェースを扱っており、アプリケーションの内部アルゴリズムや特定のシステムアーキテクチャにおける機能の論理的分配は範囲外となっています。このように、CEN ISO/TS 19091:2019は、現代の交通システムにおける革新を支える重要な基盤を提供しており、交通の安全性と効率を飛躍的に向上させるための土台となるものです。
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