ISO INTERNATIONAL STANDARD 14823 First edition 2017-05 Intelligent transport systems Graphic data dictionary Systemes de transport intelligents - Dictionnaire de données graphiques Reference number ISO 14823:2017(E) International Organization for Standardization See=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02017 vided by IHS under I Not for Resale, 2017/8/21 01:44:34 No reproduction or networking permitted without license from IHS IS0 14823:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 [email protected] www.iso.org Internationai ibrg DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZzRoISQ7 - All rights reserved networking permited without license from IHS IS0 14823:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Conformance ..2 5 Abbreviated terms ..2 6 Requirements 7 Structure of Graphic Data Dictionary .3 7.1 General .3 7.2 Country code. .3 7.3 Category code .3 7.3.1 Categorization policy .3 7.4 Data type of Graphic Data Dictionary .4 8 Numbering of category code .4 8.1 General .4 8.2 Service category code no. 11111-11999: Traffic sign pictograms (warning) ..5 8.3 Service category code no. 12111-12999: Traffic sign pictograms (regulatory) 8.4 Service category code no. 13111-13999: Traffic sign pictograms (guidance signs) .16 8.5 Service category code no. 21111-21999: Public facilities pictograms (public facilities)..21 8.6 Service category code no. 31111-31999: Ambient/road conditions pictograms (ambientcondition) .23 8.7 Service category code No. 32111-32999: Ambient/road conditions pictograms (road condition) ..23 Annex A (normative) ASN.1 description of GDD ..25 Annex B (normative) Attributes of GDD ..28 Annex C (normative) List of directions at diverging point. ..34 Annex D (informative) UML diagram of GDD ...39 Annex E (informative) Example GDD Data set for the U.N. and selected countries ..40 Bibliography .41 iii nSee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vithout license from IHS Not for Resale, 2017/8/21 01:44:34