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DD CEN ISO/TS 18234-4:2006

Current

Current

The latest, up-to-date edition.

Traffic and travel information (TTI). TTI via transport protocol expert group (TPEG) data-streams Road traffic message (RTM) application

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-30-2006

US$411.53
Excluding Tax where applicable

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 RTM application overview
  5.1 Introduction
  5.2 TPEG-message concept
  5.3 TPEG-messages delivering additional information
  5.4 Elements of a TPEG road traffic message
  5.5 Message management
  5.6 Event description
  5.7 Location Referencing
6 RTM container
  6.1 Structure of road traffic messages
  6.2 Notation
  6.3 RTM application component frame
7 Message management container
  7.1 Mandatory elements
  7.2 Date and time elements
  7.3 Severity and reliability elements
  7.4 Coding of the message management container
8 Event container
  8.1 Event description
  8.2 Level one classes
  8.3 Coding of the events container
  8.4 RTM application primitives
Annex A (informative) Conversion formulae
Bibliography

Establishes the method of delivering Road Traffic Messages within a TPEG service.

Committee
EPL/278
DocumentType
Standard
Pages
110
PublisherName
British Standards Institution
Status
Current

This document establishes the method of delivering Road Traffic Messages within a TPEG service. The TPEG-RTM application is designed to allow the efficient and language independent delivery of road information directly from service provider to end-users. The information provided relates to event and some status information on the road network and on associated infrastructure affecting a road journey. For example, limited information about abnormal operation of links in the network may be included, such as ferries, lifting-bridges, etc.

The term “application” is used in TPEG specifications to describe specific applications, such as in this case the Road Traffic Message application, which comprises three information containers: the Message Management Container, the Application Event Container and the TPEG-Location Container. The first two Containers are fully described herein and the TPEG-Location Container is described in CEN ISO/TS18234-6.

Each TPEG application (e.g. TPEG-RTM) is assigned a unique number that is called the application identification (AID). An AID is defined whenever a new application is developed. The AID is used within the TPEG-Service and Network Information Application (CEN ISO/TS18234-3) to indicate how to process TPEG content and allows routing of data to an appropriate application decoder.

AID=0001 is assigned to the TPEG-Road Traffic Message application, described in this specification.

A hierarchical methodology has been developed to allow the creation of messages from a set of TPEG-RTM tables, which are essentially word oriented and cover most needs. Many of the TTI descriptive words, in the TPEG-RTM tables, were obtained from the DATEX dictionary (ENV 13106), which embodies European TTI knowledge of the last ten years or more, including a deconstruct of the phrase oriented RDS-TMC events list (EN ISO14819-2). These TPEG-RTM tables (essentially word oriented data object dictionaries) comprise a wide ranging ability to describe a TTI event and some status information, introducing new precision in a number of areas such as “vehicle types”, “positional information on the carriageway” and “diversion routing advice”.

NOTE Explicit backwards compatibility with the RDS-TMC events list (EN ISO14819-2) could not be achieved since some “update classes”, such as “29 Reference to Audio Broadcasts” and “30 Service Messages”, fall outside the TPEG-RTM remit.

Standards Relationship
CEN ISO/TS 18234-4:2006 Identical
ISO/TS 18234-4:2006 Identical

ISO/TS 18234-2:2013 Intelligent transport systems — Traffic and travel information via transport protocol experts group, generation 1 (TPEG1) binary data format — Part 2: Syntax, semantics and framing structure (TPEG1-SSF)
ISO/IEC 7498-1:1994 Information technology Open Systems Interconnection Basic Reference Model: The Basic Model
ISO/TS 18234-1:2013 Intelligent transport systems — Traffic and travel information via transport protocol experts group, generation 1 (TPEG1) binary data format — Part 1: Introduction, numbering and versions (TPEG1-INV)
ISO/TS 18234-6:2006 Traffic and Travel Information (TTI) - TTI via Transport Protocol Expert Group (TPEG) data-streams — Part 6: Location referencing applications
ISO/TS 18234-3:2013 Intelligent transport systems — Traffic and travel information via transport protocol experts group, generation 1 (TPEG1) binary data format — Part 3: Service and network information (TPEG1-SNI)
EN 300 401 : 1.4.1 RADIO BROADCASTING SYSTEMS; DIGITAL AUDIO BROADCASTING (DAB) TO MOBILE, PORTABLE AND FIXED RECEIVERS
ISO 8601:2004 Data elements and interchange formats Information interchange Representation of dates and times
EN ISO 14819-2:2013 Intelligent transport systems - Traffic and travel information messages via traffic message coding - Part 2: Event and information codes for Radio Data System - Traffic Message Channel (RDS-TMC) using ALERT-C (ISO 14819-2:2013)
ISO 14819-2:2013 Intelligent transport systems Traffic and travel information messages via traffic message coding Part 2: Event and information codes for Radio Data System Traffic Message Channel (RDS-TMC) using ALERT-C
ENV 13106 : DRAFT 2000 ROAD TRANSPORT AND TRAFFIC TELEMATICS - DATEX TRAFFIC AND TRAVEL DATA DICTIONARY (VERSION 3.1A)

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