IEEE 1474.3 : 2008

1 Overview
  1.1 General
  1.2 Scope
  1.3 Purpose
  1.4 Application
2 Normative references
3 Definitions, acronyms, and abbreviations
  3.1 Definitions
  3.2 Acronyms and abbreviations
4 General requirements
  4.1 Range of applications
  4.2 Operating modes
  4.3 Failure management
5 CBTC system design
  5.1 CBTC system architecture
       5.1.1 CBTC ATS equipment
       5.1.2 CBTC wayside equipment
       5.1.3 CBTC train-borne equipment
       5.1.4 CBTC data communications equipment
  5.2 Principles of operation
  5.3 External interfaces
       5.3.1 Interlockings
       5.3.2 Other external wayside equipment
       5.3.3 Train subsystems
       5.3.4 User interfaces
  5.4 Integration with other systems
6 ATP functional allocations
  6.1 Train location determination
       6.1.1 CBTC train location initialization
       6.1.2 Determine location of CBTC train
       6.1.3 Determine occupancy status of track sections
       6.1.4 Failure management
  6.2 Limit of safe route determination
       6.2.1 Determine potential limits of safe route
       6.2.2 Determine limit of safe route
       6.2.3 Provide route status information
  6.3 Limit of movement protection and target point determination
       6.3.1 Determine potential limits of movement protection
       6.3.2 Determine limit of movement protection
       6.3.3 Determine target point
  6.4 ATP profile determination
       6.4.1 Determine permanent speed restrictions
       6.4.2 Determine temporary speed restrictions
       6.4.3 Determine braking profiles
       6.4.4 Calculate ATP profile
  6.5 Authorized speed determination
       6.5.1 Determine authorized speed
  6.6 Actual train speed/train travel direction determination
       6.6.1 Determine actual train speed
       6.6.2 Determine actual train travel direction
  6.7 Supervise/enforce authorized speed and travel direction
       6.7.1 Speed supervision
       6.7.2 Travel direction supervision
       6.7.3 Failure management
  6.8 Door control interlocks
       6.8.1 Door open interlocks
       6.8.2 Departure interlocks
       6.8.3 Failure management
  6.9 External interlocking commands
       6.9.1 External interlocking interface
  6.10 Highway grade crossing warning device control/supervision
       6.10.1 Control of highway grade crossing warning device
       6.10.2 Supervision of highway grade crossing warning device
  6.11 Train-borne ATP user interfaces
       6.11.1 Train-borne ATP display data interface
       6.11.2 CBTC train-borne ATP input data interface
  6.12 Fixed ATP data management
7 ATO functional allocations
  7.1 Determine ATO profile
       7.1.1 Determine ATO profile for starting, stopping, and
             speed regulation
  7.2 Determine train berthing location
       7.2.1 Platform berthing control
       7.2.2 Platform entry control
  7.3 Regulate train speed
       7.3.1 Regulate train speed in accordance with ATO profile
  7.4 Door control
       7.4.1 Opening train/platform doors
       7.4.2 Closing train/platform doors
       7.4.3 Failure management
  7.5 Train-borne ATO user interfaces
       7.5.1 Train-borne ATO display data interface
       7.5.2 Train-borne ATO input data interface
8 ATS functional allocations
  8.1 Train identification
       8.1.1 Determine train identification
  8.2 Train tracking
       8.2.1 Automatic train tracking
  8.3 Train routing
       8.3.1 Route train
  8.4 Train regulation
       8.4.1 Automatic train regulation
  8.5 Station stop functions
       8.5.1 Stop train at next station
       8.5.2 Hold train at station
       8.5.3 Skip station stop
       8.5.4 Door control inhibit
  8.6 Restricting train operations
       8.6.1 Stopping/restarting a train enroute
       8.6.2 Impose/remove temporary speed restrictions
       8.6.3 Block/unblock route/section
       8.6.4 Establish/remove work zones
  8.7 Passenger information system interfaces
       8.7.1 Wayside passenger information systems
       8.7.2 Train-borne passenger information systems
  8.8 Fault reporting
       8.8.1 CBTC fault reporting
       8.8.2 Train fault reporting
  8.9 ATS user interfaces
       8.9.1 Display data
       8.9.2 Input data
9 Data flows between CBTC subsystems
  9.1 From CBTC ATS
  9.2 From CBTC wayside
  9.3 From external wayside
  9.4 From CBTC train-borne
  9.5 From external train-borne
Annex A (informative) Train polarity and train travel direction
      A.1 Introduction
      A.2 Train orientation
      A.3 Track segment orientation
      A.4 Train polarity
      A.5 Train travel direction
      A.6 Summary

Presents a preferred system design and functional allocation for CBTC systems.