1 General Provisions
2 Terms and Symbols
2． 1 Terms
2． 2 Codes
2．3 Abbreviations
3 Fixed Trackside Signal
3．1 General Requirements
3．2 Principles of Signal Layout
3．3 Signal Display Requirements
3．4 Signal Mechanism and Aspect Arrangement
3．5 Signal Sign
4 Track Occupancy Detection Device
4．1 General Requirements
4．2 Track Circuit
4．3 Axle Counting Track Occupancy Detection Device
5 Switching Device for Turnout
6 Interlocking
6．1 General Requirements
6．2 Interlocking Relation
6．3 Centralized Interlocking for Flat Shunting Area
6．4 Combination Circuit of Centralized Interlocking
7 Blocking
7．1 General Requirements
7．2 Semi-Automatic Block
7．3 Automatic Inter-station Block
7．4 Automatic Block
8 Train Operation Control
8．1 General Requirements
8．2 CTCS Trackside Equipment
8．3 CTCSLevel Transition
8．4 Signaling Vital Data Network
9 Coding
10 Train Dispatching and Commanding System and Centralized Traffic Control （CTC）
11 Signaling Centralized Supervision and Monitoring System
12 Hump Signaling and Automation for Marshalling Station
13 Level Crossing Signal
14 Shunting Train Protection （STP）
15 Points Heating Device for Turnout
16 Power Supply Equipment
17 Optical and Electrical Cable Line
18 Operating Environment
18．1 External Power Supply
18．2 Signaling Room
18．3 Interference Protection， Lightening Protection and Earthing
18．4 Others
19 Interface Design
Appendix A Naming Rules of Signal， lndicator and Block Section Signal Sign Board
Appendix B Naming Rule of Track Section and Track Section Unit
Appendix C Naming and Numbering Rule of Balise
Appendix D Table of Signal Mechanism and Aspect Arrangement
Words Used for Different Degrees of Strictness
Normative References
