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Absolute block signalling

Absolute block signalling is a British signalling block system designed to ensure the safe operation of a railway by allowing only one train to occupy a defined section of track (block) at a time. Each block section is manually controlled by a signalman, who communicates with the other block sections via telegraph. This system was used on double or…

Railway telegraphy, Block section & Bell codes

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Railway telegraphy

Current electricityCooke and Wheatstone systemWilliam Fothergill CookeEustonCamden Town
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Block section

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Bell codes

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Overview

Block section

Railway telegraphy

Example block-bell exchange

Bell codes

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Absolute block signalling

Nodes28
Edges27
Triples1
Avg. degree1.93
Density0.071429
Components1

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Absolute block signalling

Top relations

is a · 1
Absolute block signalling → British signalling block system designed to ensure the safe operation of a railway by allowing only one train to occupy a defined section of track

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Important terminology

block train signal section bell box line clear signalman signalling signals home trains system railway intermediate one commutator controlled absolute

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Absolute block signallingis aBritish signalling block system designed to ensure the safe operation of a railway by allowing only one train to occupy a defined section of track0.90text

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