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Supplementary Information

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This part of the website comprises an assortment of articles concerning railway signalling and signage. These pages go into greater depth or cover topics not generally appropriate to be incorporated into the main part of the website.

List of Contents:

Signalling Principles:

Introduction to Railway Signalling
Signal Aspect Sequences
Signalling into Terminal Platforms
Junction Signalling
Approach Light Signals (Semaphore to Colour Light Transition)

Signals:

Colour Light Lens Configurations
Colour Light Signal Identification
The Pass of Brander Stone Signals
LMS Watford New Line Signalling

Train Protection Systems:

Mechanical Trainstop System
Automatic Warning System (AWS)
Train Protection & Warning System (TPWS)
TVM430 Cab Signalling Display

Methods of Working:

Absolute Block
Electric Token Block
Track Circuit Block (TCB)
No-Signalman Token Remote (NSTR)
Radio Electronic Token Block (RETB)
ERTMS/ETCS

Miscellaneous:

Provision of Permissible Speed Signs
Milepost Styles
Other Lineside Signs
Level Crossing Protection
Signalling Chronology
Glossary