Author Archives: signalling

Bookreview: Hebel, Riegel und Signale

Hebel, Riegel und Signale By Hans G. Wägli, Diplory Verlag, CHF 116, €107 During the 2018 IRSE Convention Hans G Wägli, SBB’s former press secretary, presented his book on the history and principles of Swiss Mechanical Signalling Technology. It is … Continue reading

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Level 3 from High Speed Vision to Rural Implementation

Written and edited by Wim Coenraad on behalf of the International Technical Committee of the Institution of Railway Signal Engineers INTRODUCTION This article is part of a series of articles by the IRSE-ITC on the subject of “what is preventing … Continue reading

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ERTMS Regional

The International Technical Committee of the IRSE visited the ERTMS Regional pilot line in Sweden during its June 21st, 2011 meeting in Borlänge. ERTMS Regional is a development of Traffikverket, the swedish infrastructure operator, Bombardier and the UIC. It is … Continue reading

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Signals are Key

Dutch Infrastructure operator ProRail has been looking at Japanese railway practices for some time now, in an effort to understand the „secrets” behind their efficiency and see how these could be applied at home. In fact they had their „man … Continue reading

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Value for Money in Railway Signalling

Dutch infrastructure manager Prorail has spent years devising its Mistral programme, aimed at renewal of life expired signalling equipment, mostly relay based interlockings more than 50 years old, that account for about 17% of the signalling installations on its network. … Continue reading

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ERTMS Interface Risks

Many ERTMS projects are frustrated by complexity and unmanaged interfaces. Until now it many real-world ERTMS/ETCS implementation projects have been severely delayed and confronted by significant cost overruns. Convincing evidence from a Maturity Growth model, or a real-world multi vendor interoperability demonstration is needed, before we can take the claims that “ERTMS is here today” and “ERTMS can be applied of the shelf” seriously. Continue reading

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Signalling, have we lost the plot?

Eddie Goddard’s paper to the IRSE on the topic of training of signal engineers is now online at His experience and (our) worries about wether present and future generations will be given the same breadth of training and experience … Continue reading

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