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Centralisation of signalling infrastructure

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Centralisation of signalling infrastructure 22/05/2019 at 09:15 #118430
Richard42
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As a SimSig player, but without a "proper" railway background, can I ask what is probably a naive question?

There seems to be ever more combining of signalling centres into yet bigger ones. Thinking about other industries with large, safety critical systems, they have redundancy built in - does signalling? If York IECC (for instance) has a massive outage, is there a geographically distinct centre that can step in?

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Centralisation of signalling infrastructure 22/05/2019 at 09:56 #118431
Sacro
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Not that I'm aware of, some areas in years gone by had "slave panels" at some locations that could be used in an emergancy.

Also York IECC closed in December, it's all at the ROC now!

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Centralisation of signalling infrastructure 22/05/2019 at 12:12 #118433
GeoffM
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The problem is not so much technical (yes, it's feasible) but humans. Maintaining a group of qualified signallers (etc) near to a back-up location is hugely expensive, and transporting local signallers to that remote facility is likely to take longer than fixing the problem.

The failure rate of a large signalling centre for more than an hour is incredibly low, so all combined, it's not a viable thing to do. Yes, it's massively inconvenient over a wide area for an extended amount of time while trains and crews get back into position after the failure, but when you consider a lone signaller in a mechanical box getting locked in the bog (true story) can also bring a line to a complete standstill, is it actually that much different?

SimSig Boss
Last edited: 22/05/2019 at 16:56 by GeoffM
Reason: Clarification now I'm more awake

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Centralisation of signalling infrastructure 22/05/2019 at 14:02 #118434
Peter Bennet
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A few years ago Kings Cross box was evacuated for 2 days due to a fire in an adjacent building site and a service of sorts was operated from FPK using the panels in the relay rooms along the line.

Peter

One of the great problems of our age is that we are governed by people who care more about feelings than they do about thoughts and ideas.
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Centralisation of signalling infrastructure 22/05/2019 at 14:32 #118435
Edgemaster
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GSM-R radio terminals allow fairly seamless failover to adjacent areas, allowing other signallers to contact, and if necessary stop trains in the area in an emergency.
Last edited: 22/05/2019 at 14:33 by Edgemaster
Reason: None given

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