SIST EN 12896-2:2017

Public transport - Reference data model - Part 2: Public transport network

1.1   General Scope of the Standard
The main objective of the present standard is to present the Public Transport Reference Data Model based on:
-   the Public Transport Reference Data Model published 2006 as EN12896 and known as Trasmodel V5.1,
-   the model for the Identification of Fixed Objects for Public transport, published 2009 as EN 28701and known as IFOPT,
incorporating the requirements  of
-   EN15531-1 to 3 and TS15531-4 and 5: Service interface for real-time information relating to public transport operations (SIRI),
-   TS16614-1 and 2: Network and Timetable Exchange (NeTEx),
in particular the specific needs for long distance train operation.
Particular attention is drawn to the data model structure and methodology:
-   the data model is described in a modular form in order to facilitate understanding and use of the model,
-   the data model is entirely described in UML.
In particular, a Reference Data Model kernel is described, referring to the data domain:
-   Network Description: routes, lines, journey patterns, timing patterns, service patterns, scheduled stop points and stop places.
This part corresponds to the network description as in Transmodel V5.1 extended by the relevant parts of IFOPT.
Furthermore, the following functional domains are considered:
-   Timing Information and Vehicle Scheduling  (runtimes, vehicle journeys, day type-related vehicle schedules)  
-   Passenger Information (planned and real-time)
-   Operations Monitoring and Control: operating day-related data, vehicle follow-up , control actions
-   Fare Management (fare structure and access rights definition, sales, validation, control)
-   Management Information and Statistics (including data dedicated to service performance indicators).
-   Driver Management:
-   Driver Scheduling (day-type related driver schedules),
-   Rostering (ordering of driver duties into sequences according to some chosen methods),
-   Driving Personnel Disposition (assignment of logical drivers to physical drivers and recording of driver performance).  
The data modules dedicated to cover most functions of the above domains will be specified. Several concepts are shared by the different functional domains. This data domain is called Common Concepts.
1.2   Functional Domain Description
The different functional domains taken into account in the present standard and of which the data have been represented as the reference data model are described in Public Transport Reference Data Model - Part 1: Common Concepts.
They are
-   Public Transport Network and Stop Description
-   Timing Information and Vehicle scheduling
-   Passenger information
-   Fare management
-   Operations monitoring and control
-   Management information
-   Personnel Management: Driver Scheduling, Rostering, Personnel Disposition
The aspects of multi-modal operation and multiple operators’ environment are also taken into account.
1.3   Particular Scope of this Document
The present European Standard entitled Reference Data Model for Public Transport - Part 2 : Public Transport Network incorporates data structures which form the network topology description of Transmodel V5.1 and the major part of the fixed objects model of IFOPT. It is composed of three data packages:
-   Network Description,
-   Fixed Objects,
-   Tactical Planning Components.
The data structures represented in this part form network topology descriptions. They typically reference to structures as described in the Public Transport Reference Data Model - Part 1: Common Concepts", such as version frames or generic grouping mechanisms.
This document itself is composed of the following parts:
-   Main document (normative) representing the data model for the concepts shared by the different domains covered by Transmodel,

Öffentlicher Verkehr - Datenreferenzmodell - Teil 2: Netzwerk des öffentlichen Verkehrs

Transports publics - Modèle de données de référence - Partie 2: Réseau de transports en commun

1.1   Domaine d'application général de la norme
Le principal objectif de la présente norme est de présenter le Modèle de données de référence pour les transports publics à l'appui des documents suivants :
-   modèle de données de référence pour les transports en commun, publié en 2006 sous le nom EN 12896 et appelé version 5.1 de Transmodel ;
-   modèle d'identification des objets fixes dans les transports en commun, publié en 2009 sous le nom EN 28701 et appelé IFOPT ;
intégrant les exigences des normes suivantes
-   EN 15531-1 à 3, CEN/TS 15531-4 et CEN/TS 15531-5 : Interface de service pour les informations en temps réel relatives aux opérations de transports en commun (SIRI) ;
-   CEN/TS 16614-1 et CEN/TS 16614-2 : Transport public - Échange des données de réseau et d'horaires (NeTex) ;
et plus particulièrement les besoins spécifiques liés à l'exploitation de trains longue distance.
La structure et la méthodologie du modèle de données font l'objet d'une attention particulière :
-   le modèle de données est décrit sous forme modulaire afin d'en faciliter la compréhension et l'utilisation ;
-   le modèle de données est entièrement décrit en langage UML.
Un projet de Modèle de données de référence est notamment décrit. Il fait référence au domaine de données :
-   Description du réseau : itinéraires, trajets, parcours, missions horaires, missions commerciales, points d'arrêt planifiés et lieux d'arrêt.
La présente partie correspond à la description du réseau telle que donnée dans la version 5.1 de Transmodel, avec l'extension constituée des parties pertinentes de l'IFOPT.
En outre, les domaines fonctionnels suivants sont pris en considération :
-   Informations horaires et horaires des véhicules (temps de course, courses de véhicules, horaires des véhicules en fonction de jours types) ;
-   Information des usagers (temps planifié et temps réel) ;
-   Suivi et contrôle de l'exploitation (données relatives au jour d'exploitation, suivi de véhicules, actions de régulation) ;
-   Gestion tarifaire (structure tarifaire et définition des droits d'accès, ventes, validation, régulation) ;
-   Tableaux de bord et statistiques (dont les données des indicateurs de performance de service).
-   Gestion des conducteurs :
-   Horaires des conducteurs (horaires des conducteurs en fonction de jours types) ;
-   Roulement (organisation des services agent en séquences en appliquant les méthodes sélectionnées) ;
-   Gestion du personnel roulant (affectation de conducteurs logiques aux conducteurs physiques et enregistrement des tâches exécutées par les conducteurs).
Les modules de données dont l'objet sera de couvrir la plupart des fonctions des domaines susmentionnés seront spécifiés. Plusieurs concepts sont partagés par ces différents domaines fonctionnels. Le présent domaine de données est intitulé "Concepts communs".
1.2   Description d'un domaine fonctionnel
Les différents domaines fonctionnels pris en compte dans la présente Norme et desquels les données ont été représentées comme modèle de données de référence sont décrits dans la norme prEN 12896-1.
Il s'agit des entités
-   Description des arrêts et du réseau des transports en commun ;
-   Informations horaires et horaires des véhicules ;
-   Informations sur les passagers ;
-   Gestion tarifaire ;
-   Suivi et contrôle de l'exploitation ;
-   Informations de gestion ;
-   Gestion du personnel : horaires des conducteurs, roulements, gestion du personnel roulant.
Les aspects de l'exploitation multimodale et l'environnement à plusieurs opérateurs sont aussi pris en compte. (...)

Javni prevoz - Referenčni podatkovni model - 2. del: Omrežje javnega prevoza

Glavni cilj trenutnega standarda je predstavitev referenčnega podatkovnega modela javnega prevoza na podlagi:
– referenčnega podatkovnega modela javnega prevoza, objavljenega leta 2006 kot standard EN12896 in poznanega kot Transmodel različice 5.1,
– modela za identifikacijo stalnih modelov za javni prevoz, objavljenega leta 2009 kot standard EN 28701 in poznanega kot IFOPT,
vsebuje zahteve
– standardov od EN15531-1 do 3 ter TS15531-4 in 5: Vmesnik za informiranje v realnem času za potrebe delovanja javnega prevoza (SIRI),
– standardov TS16614-1 in 2: Izmenjava omrežnih in voznorednih podatkov (NeTEx), predvsem specifične potrebe za obratovanje vlaka med kraji.
Posebna pozornost je namenjena strukturi podatkovnega modela in metodologiji:
– podatkovni model je opisan v modularni obliki za lažje razumevanje in uporabo modela,
– podatkovni model je v celoti opisan v UML.
Opisano je zlasti jedro referenčnega podatkovnega modela, ki se nanaša na podatkovno domeno:
– Opis omrežja: poti, linije, vzorci potovanj, časi potovanj, storitveni vzorci in načrtovana postajališča.
Ta del ustreza opisu omrežja v Transmodelu različice 5.1 in je razširjen z relevantnimi deli IFOPT.
Poleg tega so obravnavane naslednje funkcionalne domene:
– Časovni razpored in razpored vozil (vozni časi, poti vozil, dnevni razporedi vozil)  
– Informacije o potnikih (načrtovane in v realnem času)
– Vodenje in nadzor: dnevni podatki o obratovanju, spremljanje vozil, nadzorni ukrepi
– Upravljanje voznin (struktura voznin in pravice za dostop, prodaja, preverjanje, nadzor)
– Informacije o upravljanju in statistika (vključno s podatki, namenjenimi kazalcem uspešnosti storitev).
– Upravljanje voznikov:
– Razpored voznikov (dnevni razporedi voznikov),
– Urniki (razporejanje dolžnosti voznikov v zaporedje glede na nekatere izbrane metode),
– Razporejanje voznega osebja (dodelitev logičnih voznikov fizičnim voznikom in beleženje storilnosti voznika).  
Določeni bodo podatkovni modeli, ki bodo zajemali večino funkcij iz zgornjih domen. Različne funkcionalne domene imajo skupnih več konceptov. Ta podatkovna domena se imenuje Skupni koncepti.

General Information

• Status: Published
• Public Enquiry End Date: 29-Jul-2015
• Publication Date: 13-Nov-2016
• ICS: 35.240.60 - IT applications in transport
• Technical Committee: ITC - Information technology
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 04-Oct-2016
• Due Date: 09-Dec-2016
• Completion Date: 14-Nov-2016
• Ref Project: EN 12896-2:2016 - Public transport - Reference data model - Part 2: Public transport network

Relations

• Replaces: SIST EN 12896:2006 - Road transport and traffic telematics - Public transport - Reference data model
• Effective Date: 30-Sep-2016
• Replaces: SIST EN 12896:2006 - Road transport and traffic telematics - Public transport - Reference data model
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 12896-2:2017
01-januar-2017
1DGRPHãþD
SIST EN 12896:2006
-DYQLSUHYR]5HIHUHQþQLSRGDWNRYQLPRGHOGHO2PUHåMHMDYQHJDSUHYR]D
Public transport - Reference data model - Part 2: Public transport network
Öffentlicher Verkehr - Datenreferenzmodell - Teil 2: Netzwerk des öffentlichen Verkehrs
Transports publics - Modèle de données de référence - Partie 2: Réseau de transports
en commun
Ta slovenski standard je istoveten z: EN 12896-2:2016
ICS:
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
SIST EN 12896-2:2017 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12896-2:2017

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SIST EN 12896-2:2017


EN 12896-2
EUROPEAN STANDARD

NORME EUROPÉENNE

September 2016
EUROPÄISCHE NORM
ICS 35.240.60 Supersedes EN 12896:2006
English Version

Public transport - Reference data model - Part 2: Public
transport network
Transports publics - Modèle de données de référence - Öffentlicher Verkehr - Datenreferenzmodell - Teil 2:
Partie 2: Réseau de transports en commun Netzwerk des öffentlichen Verkehrs
This European Standard was approved by CEN on 5 May 2016.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12896-2:2016 E
worldwide for CEN national Members.

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SIST EN 12896-2:2017
EN 12896-2:2016 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
1.1 General scope of the Standard . 6
1.2 Functional domain description . 7
1.3 Particular Scope of this Document . 7
2 Normative references . 8
3 Terms and definitions . 8
4 Symbols and Abbreviations . 8
5 The Network Topology Domain . 8
5.1 Introduction . 8
5.2 Model and document structure . 9
5.3 Network description model . 10
5.3.1 Model overview . 10
5.3.2 Infrastructure Network . 11
5.3.3 Network restriction . 15
5.3.4 Main tactical planning points and links . 18
5.3.5 Activation . 20
5.3.6 Vehicle and crew point . 22
5.3.7 Lines and routes . 23
5.3.8 Line Network . 28
5.3.9 Flexible network . 31
5.4 Fixed object model . 37
5.4.1 Model overview . 37
5.4.2 Site . 38
5.4.3 Stop place . 44
5.4.4 Flexible stop place . 54
5.4.5 Associating equipment with site components . 56
5.4.6 Equipment description overview . 57
5.4.7 Waiting and luggage equipment . 58
5.4.8 Point of interest . 59
5.4.9 Passenger service equipment . 64
5.4.10 Ticketing equipment . 65
5.4.11 Site access equipment. 66
5.4.12 Local service . 69
5.4.13 Parking Equipment . 70
5.4.14 Site equipment – Examples . 72
5.4.15 Path links and navigation paths. 76
5.4.16 Path links – Examples . 78
5.4.17 Navigation paths – Examples . 81
5.4.18 Check constraint . 87
5.4.19 Parking . 89
5.4.20 Vehicle stopping . 92
5.4.21 Accessibility coverage . 92
5.4.22 Accessibility coverage of site elements . 92
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5.4.23 Accessibility coverage of paths . 93
5.5 Tactical planning components model . 94
5.5.1 Model overview . 94
5.5.2 Journey pattern . 95
5.5.3 Common section . 99
5.5.4 Timing pattern . 100
5.5.5 Service pattern . 104
5.5.6 Service connection . 112
5.5.7 Routing constraints . 116
5.5.8 Time demand type . 118
5.5.9 Passenger stop assignment . 119
5.5.10 Train stop assignment . 124
5.5.11 Path assignment . 126
5.5.12 Notice assignment . 127
5.5.13 Passenger information display assignment . 128
5.6 Explicit frames . 129
5.6.1 General . 129
5.6.2 Infrastructure frame . 130
5.6.3 Service frame . 130
5.6.4 Site frame . 131
Bibliography . 199

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European foreword
This document (EN 12896-2:2016) has been prepared by Technical Committee CEN/TC 278 “Intelligent
transport systems”, the secretariat of which is held by NEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2017, and conflicting national standards shall
be withdrawn at the latest by March 2017.
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 together with documents EN 12896-1:2016 and EN 12896-3:2016 supersedes
EN 12896:2006.
The series composed of the following documents:
Public transport - Reference data model - Part 1: Common concepts
Public transport - Reference data model - Part 2: Public transport network
Public transport - Reference data model - Part 3: Timing information and vehicle scheduling
Public transport - Reference data model - Part 4: Operations monitoring and control
Public transport - Reference data model - Part 5: Fare management
Public transport - Reference Data model - Part 6: Passenger information
Public transport - Reference data model - Part 7: Driver management
Public transport - Reference data model - Part 8: Management information and statistics
Together these create version 6 of the European Standard EN 12896, known as “Transmodel” and thus
replace Transmodel V5.1.
The split into several documents intends to ease the task of users interested in particular functional
domains. Modularisation of Transmodel, undertaken within the NeTEx project, has contributed
significantly to this new edition of Transmodel.
In addition to the eight Parts of this European Standard an informative Technical Report (Public
Transport – Reference Data Model – Informative Documentation) is also being prepared to provide
additional information to help those implementing projects involving the use of Transmodel. It is
intended that this Technical Report will be extended and republished as all the eight parts are
completed.
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, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
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Introduction
Part 1 of this standard presents the following items:
— rationale for the Transmodel Standard;
— use of the Transmodel Standard;
— applicability of the Transmodel Standard;
— conformance statement;
— transmodel origins ;
— reference to the previous version and other documents.
The data structures represented in Part 1 are generic patterns that are referenced by different other
parts. This particular document (Part 2) represents a new edition of EN 12896:2006 of the chapter
“description of the network”. Moreover, it incorporates the major part of the IFOPT standard model of
stop places and related concepts as updated and harmonized within the NeTEx project.
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1 Scope
1.1 General scope of the Standard
The main objective of the present Standard is to present the public transport reference data model
based on:
— the public transport reference data model published 2006 as EN 12896 and known as Transmodel
V5.1;
— the model for the Identification of Fixed Objects for Public transport, published 2009 as
EN 28701and known as IFOPT;
incorporating the requirements of
— EN 15531-1 to 3 and CEN/TS 15531-4 and CEN/TS 15531-5, Service interface for real-time
information relating to public transport operations (SIRI);
— CEN/TS 16614-1 and CEN/TS 16614-2, Network and Timetable Exchange (NeTEx);
in particular the specific needs for long distance train operation.
Particular attention is drawn to the data model structure and methodology:
— the data model is described in a modular form in order to facilitate understanding and use of the
model;
— the data model is entirely described in UML.
In particular, a reference data model kernel is described, referring to the data domain:
— network description: routes, lines, journey patterns, timing patterns, service patterns, scheduled
stop points and stop places.
— This part corresponds to the network description as in Transmodel V5.1 extended by the relevant
parts of IFOPT.
— Furthermore, the following functional domains are considered:
— timing information and vehicle scheduling (runtimes, vehicle journeys, day type-related
vehicle schedules);
— passenger information (planned and real-time);
— operations monitoring and control: operating day-related data, vehicle follow-up, control
actions;
— fare management (fare structure and access rights definition, sales, validation, control);
— management information and statistics (including data dedicated to service performance
indicators);
— driver management:
— driver scheduling (day-type related driver schedules);
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— rostering (ordering of driver duties into sequences according to some chosen methods);
— driving personnel disposition (assignment of logical drivers to physical drivers and
recording of driver performance).
The data modules dedicated to cover most functions of the above domains will be specified. Several
concepts are shared by the different functional domains. This data domain is called “common concepts”.
1.2 Functional domain description
The different functional domains taken into account in the present Standard and of which the data have
been represented as the reference data model are described in “Public transport reference data model -
Part 1: Common concepts”.
They are:
— public transport network and stop description;
— timing information and vehicle scheduling;
— passenger information;
— fare management;
— operations monitoring and control;
— management information;
— personnel management: driver scheduling, rostering, personnel disposition.
The aspects of multi-modal operation and multiple operators’ environment are also taken into account.
1.3 Particular Scope of this Document
The present European Standard entitled “Reference data model for Public transport – Part 2: Public
transport network” incorporates data structures which form the network topology description of
Transmodel V5.1 and the major part of the fixed objects model of IFOPT. It is composed of three data
packages:
— network description;
— fixed objects;
— tactical planning components.
The data structures represented in this part form network topology descriptions. They typically
reference to structures as described in the “Public transport - Reference data model - Part 1: Common
concepts”, such as version frames or generic grouping mechanisms.
This document itself is composed of the following parts:
— Main document (normative) representing the data model for the concepts shared by the different
domains covered by Transmodel;
— Annex A (normative), containing the data dictionary, i.e. the list of all the concepts and attribute
tables present in the main document together with the definitions;
— Annex B (informative), indicating the data model evolutions.
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2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 12896-1:2016, Public transport - Reference data model - Part 1: Common concepts
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 12896-1:2016 apply.
4 Symbols and Abbreviations
DRT Demand responsive transport
FTS Flexible transport service
GIS Geographic information system
IFOPT Identification of fixed objects in public transport
ISO International standards organization
IT Information technology
NeTEx Network and Timetable Exchange
PT Public transport
PTO Public transport operator
SIRI Service Interface for Real-time Information
UML Unified modelling language
URI Uniform resource identifier
URL Universal resource locator
VDV Verband Deutscher Verkehrsunternehmen (D)
WGS World geodetic standard
5 The Network Topology Domain
5.1 Introduction
The reference data model includes entity definitions for different types of points and links as the
building elements of the topological network. Stop points, timing points and route points, for instance,
reflect the different roles one point may have in the network definition: whether it is used for the
definition of (topological or geographical) routes, as a point served by vehicles when operating on a
line, or as a location against which timing information like departure, passing, or wait times are stored
in order to construct the timetables.
The line network is the fundamental infrastructure for the service offer, to be provided in the form of
vehicle journeys which passengers may use for their trips. The main entities describing the line
network in the reference data model are the line, the route and the journey pattern, which refer to the
concepts of an identified service offer to the public, the possible variants of itineraries vehicles would
follow when serving the line, and the (possibly different) successions of stop points served by the
vehicles when operating on the route.
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The model delivers also a detailed geographical representation of stopping locations and related
concepts, such as equipment, access and navigation paths taken from the IFOPT standard and
harmonized with Transmodel within the NeTEx project., including the description of:
— the stops and stations at which transport is accessed together with accessibility characteristics;
— the points of interest from/to which passengers are travelling;
— the detailed navigation paths between the various locations and associated constraints;
— the equipment and services relevant for public transport actors;
— the parking locations relative to both stops and points of interest.
5.2 Model and document structure
The Network Topology models split into three main sub-models.
a) network description model (ND);
b) fixed object model (FO);
c) tactical planning components model (TP).
Network description model: describes infrastructure elements (different types of points and links)
and paths (routes and lines) dedicated to (regular and flexible) public transport operation; this
description may be considered as a macroscopic view of the network topological aspects of the
network. The model splits into:
— network infrastructure model;
— line network model;
— route model;
— flexible network model;
— activation model;
— vehicle and crew point model.
Fixed object model: describes geographical aspects of fixed elements such as stopping locations, or
points of interest. It represents, in particular, a detailed view of the stopping places, and associated
elements, such as services or equipment, but also concepts enabling the representation of the
navigation through or access to the stops. The model splits into:
— site model;
— stop place model;
— flexible stop place model;
— point of interest model;
— equipment description model;
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— path and navigation path model;
— check constraint model;
— parking model;
— vehicle stopping model;
Tactical planning components model: describes basic concepts related to the description of the work
patterns of public transport vehicles, such as journey patterns and service patterns, useful for planning
transport and some related aspects. This part describes the space-related aspects of the vehicle
services, whereas the time-related aspects (vehicle journeys, run times, etc) are described in Part 3 –
Timing Information and Vehicle Scheduling. The model splits into:
— journey pattern model;
— timing pattern model;
— service connection model;
— service pattern model;
— common section model;
— routing constraint model;
— time demand type model;
— stop assignment model;
— train stop assignment model;
— path assignment model;
— notice assignment model;
— passenger information display assignment model.
Explicit frames model: specific sets of “explicit“ VERSION FRAMES that specify sets of data elements
appropriate for a particular use case or set of related use cases.
The present document is structured according to the model structure as shown above with some
exceptions due to the necessity to introduce some concepts earlier in the document in order to ease the
understanding.
5.3 Network description model
5.3.1 Model overview
The network description model describes the basic physical network for transport and is itself divided
into a number of separate sub-models covering different aspects of the network:
— network infrastructure model:
— infrastructure network;
— network restriction;
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— main tactical planning points and links model (from the journey pattern model);
— activation model;
— vehicle and crew point model;
— line and route model;
— line network model;
— line network;
— line schematic map;
— flexible network model;
— flexible link, point and zone;
— flexible route;
— flexible line.
For ease of understanding, the sub-models are presented one at a time, each describing only a small set
of related concepts.
The sub-models depend on a number of general framework models (for example, generic point and link
model, notice model, etc.) described in the part “Public transport - Reference data model – Part 1:
Common concepts”.
5.3.2 Infrastructure Network
5.3.2.1 General
The infrastructure network model describes the physical network on which the transport services run;
a closely related network restriction model describes the physical restrictions on its use. This part does
not concern the service aspects, i.e. vehicle work patterns described separately (e.g. by TIMING
PATTERNs, JOURNEY PATTERNs, SERVICE PATTERNs).
5.3.2.2 Infrastructure Network– Conceptual Model
5.3.2.2.1 General
Figure 1 describes the main components of the physical path network (rail, roads, etc.).
This modelling of the infrastructure is, however, very basic and simple and is used here to represent
specific operational constraints (restrictions) for public transport operation resulting from the
characteristics of the INFRASTRUCTURE POINTs and LINKs and of VEHICLE TYPEs.The spatial detailed
organization of the infrastructure itself is described by other models (GDF, Inspire, etc.) and the data
are usually provided by GIS data sets.
11

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SIST EN 12896-2:2017
EN 12896-2:2016 (E)
class NT ND Infrastructure Network MODEL
Name: NT ND Infrastructure Network MODEL
end of
Author: Transmodel
to
CC Generic Point & Link
CC Generic Point &
Version: 1.0
MODEL::POINT Link MODEL::LINK
1 *
Created: 05/02/2014 11:24:53
Updated: 12/02/2014 19:10:11
from
start of
1 *
end of to
INFRASTRUCTURE POINT
INFRASTRUCTURE LINK
1 *
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«UID»
Id
Id
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ROAD JUNCTION RAILWAY JUNCTION WIRE JUNCTION ROAD ELEMENT RAILWAY ELEMENT WIRE ELEMENT
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