ISO/TS 19091:2019

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 2019
© ISO 2019
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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
ii
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 .
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