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Tube Trains Sent On Collision Course
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September 11th 10, 10:01 AM posted to uk.transport.london
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Tube Trains Sent On Collision Course
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(MIG) wrote:
On 10 Sep, 21:39, Roy Badami wrote:
If this failure allowed a train to be signalled onto a wrong direction
track with a train some distance away, held at a signal, then it's
reasonable to also ask whether this same failure would also have
allowed the train to be signalled onto the wrong direction track when
there was a traon 10m away and approaching at 40mph?
i.e. was it just luck that there was no oncoming train in the block or
was the nature of the failure such that it couldn't have happened if
the block was occupied?
I think there's not much we can say until we get to read the RAIB
report.
More than just luck in this case, because no train would be allowed
into the block while a train was leaving the bay, but that doesn't
answer the general point about lack of signalling or (possibly) lack
of tripping once a train is heading along the wrong track.
The question is how close could the trains have got and how much was
avoiding an accident reliant on the driver of an unsignalled train
noticing the situation and stopping promptly?
--
Colin Rosenstiel
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