ENV 12896 : DRAFT 1997

Contents
1. Foreword
2. Introduction
3. Scope
4. Normative References
5. Definitions
6. Requirements
    6.1 General
    6.2 Scheduling Data Model
         6.2.1 General
         6.2.2 Topology
                6.2.2.1 Points
                6.2.2.2 Stop Areas
                6.2.2.3 Links
                6.2.2.4 Garages
                6.2.2.5 Network Versions
         6.2.3 Lines
                6.2.3.1 Routes
                6.2.3.2 Journey Patterns
                6.2.3.3 Lines
                6.2.3.4 Groups of Lines
                6.2.3.5 Common Sections
                6.2.3.6 Companies, Departments and
                         Organisational Units
         6.2.4 Journeys
                6.2.4.1 Day Types
                6.2.4.2 Vehicle Journeys
                6.2.4.3 Service Journeys, Dead Runs and
                         other Journey Types
                6.2.4.4 Time Demand Types
                6.2.4.5 Vehicle Types
                6.2.4.6 Timetable Versions
         6.2.5 General Times
                6.2.5.1 Run Times and Wait Times
                6.2.5.2 Default Times
                6.2.5.3 Journey Pattern Times
                6.2.5.4 Turnaround Times
                6.2.5.5 Journey Pattern Layover
                6.2.5.6 Time Bands
         6.2.6 Journey Times
                6.2.6.1 Vehicle Journey Run Times
                6.2.6.2 Vehicle Journey Wait Times
                6.2.6.3 Vehicle Journey Layover
         6.2.7 Interchanges
                6.2.7.1 Connection Links
                6.2.7.2 Default Interchanges
                6.2.7.3 Service Journey Pattern
                         Interchanges
                6.2.7.4 Service Journey Interchanges
         6.2.8 Vehicle Scheduling
                6.2.8.1 Extra Types of Point for
                         Scheduling
                6.2.8.2 Blocks
                6.2.8.3 Relief Opportunites
                6.2.8.4 Vehicle Types for Blocks
                6.2.8.5 Organisational Units
                6.2.8.6 Vehicles
                6.2.8.7 Course of Journeys and Vehicle
                         Schedule
         6.2.9 Vehicle Types
                6.2.9.1 General Remark
                6.2.9.2 Safety Considerations
                6.2.9.3 Vehicle Type Preferences
                6.2.9.4 Vehicle Types at Points
                6.2.9.5 Driver Qualifications
         6.2.10 Driver Scheduling
                6.2.10.1 General Remarks
                6.2.10.2 Duties and Their Component Parts
                6.2.10.3 Duty Types
                6.2.10.4 Breaks and Pauses and Fill In
                         Times
                6.2.10.5 Preparation and Finishing
                         Activities
                6.2.10.6 Qualifications
                6.2.10.7 Driver Trips
                6.2.10.8 Accounting Factor
         6.2.11 Rostering
                6.2.11.1 General Remarks
                6.2.11.2 Roster Matrices
                6.2.11.3 Roster Cycles
                6.2.11.4 Roster Designs
                6.2.11.5 Roster Assignments
    6.3 Personal Disposition Data Model
         6.3.1 Introduction
         6.3.2 Driver Assignments
                6.3.2.1 Assignment of Drivers to Rows in a
                         Roster Matrix
                6.3.2.2 Qualifications
                6.3.2.3 Cost Centres and Organisational
. Units
                6.3.2.4 Absences
         6.3.3 Driver Accounting
                6.3.3.1 The Driver Activity Log
                6.3.3.2 Wage Types
                6.3.3.3 Accounting the Drivers' Work
    6.4 AVM Data Model
         6.4.1 Introduction
         6.4.2 Limitations
         6.4.3 AVM Points
         6.4.4 Vehicles
         6.4.5 Days
    6.5 PassengerInformation Data Model
         6.5.1 Introduction
         6.5.2 Providing Information
                6.5.2.1 Passenger Information Facilities
                6.5.2.2 Transactions and Queries
                6.5.2.3 Selection of the Information to be
                         Displayed
                6.5.2.4 Destination Display
         6.5.3 Timetable Information
                6.5.3.1 Introduction
                6.5.3.2 Passing Times
                6.5.3.3 Changes in the Planned Vehicle
                         Journeys
                6.5.3.4 Changes in the Passing Times
                6.5.3.5 Changes in the Blocks
                6.5.3.6 Other Practices
         6.5.4 Passenger Walks
                6.5.4.1 Connection Links
                6.5.4.2 Access Walks
                6.5.4.3 Types of Places
         6.5.5 Passenger Trips
                6.5.5.1 Components of a Trip
                6.5.5.2 Itineraries
         6.5.6 Estimation of Trip Duration
                6.5.6.1 Processes
                6.5.6.2 Period of Time
                6.5.6.3 Trip Duration Elements
                6.5.6.4 Mean Frequency and Run Times
    6.6 Fare Collection Data Model
         6.6.1 Introduction
                6.6.1.1 Functions Covered
                6.6.1.2 Complexity
                6.6.1.3 General Presentation
         6.6.2 Access Rights Definition
                6.6.2.1 Consumption Elements, Fare
                         Structure and Parameters
                6.6.2.2 Controllable Elements
                6.6.2.3 Fare Structure Element
                6.6.2.4 Validable Elements
                6.6.2.5 Pre-assigned Fare Products
         6.6.3 Fare Structure
                6.6.3.1 Components of the Fare Structure
                6.6.3.2 Geography-based Factors
                6.6.3.3 Time-based Factors
                6.6.3.4 Quality-based Factors
                6.6.3.5 Tariff Structure
         6.6.4 Fare Parameters
         6.6.5 Fare Products
         6.6.6 Usage Parameters
         6.6.7 Travel Documents
         6.6.8 Sales
         6.6.9 Prices
         6.6.10 Controls and Validation
         6.6.11 Customers
         6.6.12 Fare Version
         6.6.13 Information on Fares
    6.7 Management Information Data Model
         6.7.1 Introduction
         6.7.2 Service Journey Performance
         6.7.3 Actual Interchanges
         6.7.4 Recorded Use of Services
    6.8 Interface to the GDF Data Model
         6.8.1 Introduction
         6.8.2 Core of the Interface
         6.8.3 Limitations
         6.8.4 Entity Comparison
         6.8.5 Relationship Comparison
Annex A (informative)
A1. Data Definitions
A2. Main Attributes
Annex B (informative)
B1. Consistency and Integrity Conditions
B2. Introduction to Data Modelling and the Methodology
     used for the Reference Data Model
B3. Step-by-Step Presentation of the Reference Data Model
B4. Functional Model
Annex C (informative)
C. Executive Summary of the Reference Data Model

The proposed prestandard has been developed independently from any specific application system and takes into account expertise from the different existing practices of public transport operators throughout Europe. This is designed to be a structure to enable interoperability between different commercial systems and thus to open the market.