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That is not quite how SPAD alerts work. The general philosophy of SPAD alarms is to warn the signaller as soon as a SPAD occurs, so that he can take preventative action. Waiting until the back of a train left the previous track section could delay the alarm considerably, by which time it may be...

Is the signal an automatic? If so, there may not be any indication of what aspect (red or otherwise) that the signal is showing, for a SPAD monitoring system to use. As you say, if the only time a signal is likely to show red is because the forward track-circuit is occupied, which will inhibit...

It shouldn't take that long, but many TOCs do seem to have a considerable backlog at present. I have a couple of claims with various other TOCs submitted in early August still awaiting a decision.

As you say, the tools for converting between the two formats were nowhere near good enough for drawings of safety critical designs. In my experience, sometimes the conversions were barely readable. I suspect that this was partly because of the specialist symbol sets used on signalling...

That is interesting to know. I don't bother with the Lidl app, I just type my phone number in. I will have to try that next time I am abroad.

If you just switch off the signals, the signaller will get a lot of "signal failed" alarms. Let alone the impact on the signalling controls in the interlocking previously mentioned. The central interlocking needs reprogramming to suit the revised configuration. Which requires skilled data...

If you had a 2007 era mobile phone, most people would consider that fairly ancient and due for renewal.

Agreed that if you design the system from the outset as a conventional signalling overlay on an underlying ETCS signalling system, then it will be easier to recover the signals. But the costs will still be significant. Where there are signals, the ETCS cannot work independently of the signals...

What exactly do you mean by "Crossing boxes (rather than workstations)"? For example, is a signalbox that happens to include one or more level crossings in its control area a "crossing box"? Or by "crossing box" do you mean somewhere that only controls level crossings? What type of...

Back in BR days, S&T used to use its own specialist CAD software for things like signalling plans and circuit design. I understand it was based on commercial software (autocad?). After privatisation, Railtrack and then Network Rail, plus the various private supply companies, continued to use...

There doesn't seem to be one for Which would be more accurate.

Very unlikely that the costs of recovering old signals in a usable state would be worthwhile. Unlike locos and rolling stock that can be easily moved around, signal posts and heads are not. You would need to get lifting equipment to site, to lower signal heads without damaging them. As Bald...

I tried to obtain a Czech Tesco loyalty card, but they post the card to you. As far as I could see, there is no way to obtain the discount without the card.

The line over the Výtoň river bridge has been reduced to single-track working, so there is no possibility of having two trains simultaneously on the river bridge. The single-track working continues on over the new road bridge. Looking at those Street view images of the new bridge, the abutments...

So does this mean that every time a new stretch of line is fitted, presumably with the latest baseline, all the already-fitted lines and stock might need upgrading for compatability? Or will the UK at some stage have to standardise on a certain baseline of the software, and ignore later versions?

This is not unusual when claims are ping-ponged between TOCs. You can appeal, but you will have to contact customer services to do so. Be sure to tell them what date you submitted your original claim, and emphasis that this was within the deadline.

European branches of Tesco run the same kind of price inflation for those without loyalty cards. But my UK loyalty card doesn't work in continental Tesco stores. And not having an address there, I am unable to apply for a local loyalty card. The inflated prices actually puts me off buying...

Railtrack HQ decreed that SSI, the interlocking system that had been jointly developed by BR and it's two main UK suppliers, was a dead duck. They were not going to buy any more, it was too expensive. In future, they were only going to buy cheaper, off-the-peg overseas systems. The big problem...

I had suspected that the Semmering line is closed for the station rebuilding, just found it odd that was not what the cd.cz site seemed to be saying. I thought that they had rebuilt the railway bridge over the road during the closure earlier this year? It certainly seemed new when I went over...

Update: I have finally received the payment emails from TfW for both outstanding claims. One dating back to mid August, the other "only" three weeks old. Both received near simultaneously, so it looks like whatever the blockage was, has been cleared. Or perhaps not, as I am still awaiting the...