RSSB GK/RT0060 : ISSUE 4 AMD 1 2003

Part A
A1 Issue record
A2 Implementation of this document
A3 Scope of Railway Group Standards
A4 Responsibilities
A5 Health and safety responsibilities
A6 Technical content
A7 Supply
Part B
B1 Purpose
B2 Application of this document
B3 Definitions
B4 Principles
Part C - Design requirements
C1 Safety requirements
C2 Control of incidental risk
C3 Movement authorities
C4 Interlocking
C5 Setting and locking of routes
C6 Interlocking of points and other movable infrastructure
C7 Control of lineside signal aspect
C8 Withdrawal of movement authorities
C9 Releasing of routes
C10 Emergency and engineering controls
Appendices
1 - Locking level controls required before a route can be set
2 - Aspect level controls required before a movement authority can be given
3 - Signal replacement – additional information
References

Covers the mandatory requirements for the principles of interlocking of signals, points and other parts of the signalling system so that the safe operation of trains is ensured.