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In article ,
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So is it the intention of these deliberate derailers, or catch points
as those of us not in the press know them, to cause the train to
smash into an overhead wire support with such force that it bends in
two? What would be the result if the driver, who was presumably in
the cab at the time, or passengers had been killed or seriously
injured as a result?
Is this another feature of the signalling design that gave us the Ladbroke
Grove crash? Looks like stupidity piled on stupidity.
How many other London Terminal approaches have derailers to handle SPADs?
I asked a similar question a year or two back in relation to a set of catch
points that regularly cause chaos at Brighton station - the last time was 15
April 2015. There are a number of circumstances where trap points will be
provided, especially on the exits from yards or depots (or other lines)
where shunting takes place. A falling gradient to the main line might be
another candidate for trap points because TPWS won't help if a train is
running away due to brake failure.
AIUI this SPAD at Paddington was an ECS move, possibly from a carriage road
that is not used for passenger trains in service?
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DAS