ISO/TS TECHNICAL SPECIFICATION 19091 Second edition 2019-06 Intelligent transport systems Cooperative ITS Using V2I and I2V communications for applications related to signalized intersections Systemesintelligentsdetransport-CoopérativeITS-Utilisation de communications V2I et I2V pour des applications relatives aux intersectionssignalées Reference number IS0/TS19091:2019(E) so IS02019 IS0/TS 19091:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ 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. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 TS 19091:2019 (E) Contents Page Foreword.... Introduction .. ...vii 1 2 Normative references. 3 Terms and definitions ... 4 Abbreviated terms.. 10 General description (informative).. 5.1 Overview.... 5.2 Functional model.. 12 5.2.1 Description.... 12 5.2.2 Architecture .... 5.2.3 16 5.2.4 Common operational assumptions... 16 5.3 Safety use cases.... 5.3.1 18 5.3.2 Additional assumptions... 18 5.3.3 Architecture implications.... 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.... 5.5.3 Architecture implications.. .21 5.5.4 Public transport signal priority application ... .22 5.5.5 5.5.6 Emergency (public safety) vehicle pre-emption application.... .25 6 Function description (informative)... 6.1 Public safety vehicle... .26 6.1.1 Broadcast public safety vehicle information ... ..26 6.1.2 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) ... 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.... 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 @ IS0 2019 - All rights reserved IS0 TS 19091:2019 (E) 6.2.10 Request signal pre-empt - Vehicle location and speed .. 28 ..1 Request signal preempt - Cancellation.... 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... 6.3.1 Broadcast priority requesting vehicle information.... .28 6.4 Signal priority requirements... 29 6.4.1 Signal priority request.......... 6.4.2 6.4.3 Request signal priority - Intersection identifier ... .29 6.4.4 Request signal priority - Approach lane.... 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 .... 6.4.9 Request signal priority - Vehicle location and speed .30 6.4.10 Request signal priority - Service information... ..30 .11 Request signal priority cancellation.... 6.4.12 Request signal priority - Priority request level.. 6.4.13 Request signal priority - Transaction identifier... ..31 6.4.15 Request signal priority - Transit schedule .... 31 6.5 Broadcast area's geometrics... .31 6.5.1 Broadcast roadway geometrics..... 6.5.2 Broadcast roadway geometrics - Message identifier... 31 6.5.3 Broadcast intersection Identifier .. .32 6.5.4 Broadcast intersection .Reference point...