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Bidirectional signalling and the DLR
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March 12th 09, 08:41 PM posted to uk.transport.london
Ian Jelf
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First recorded activity at LondonBanter: Jul 2003
Posts: 842
Bidirectional signalling and the DLR
In message ,
writes
In article ,
(Uncle Toby) wrote:
On Thu, 12 Mar 2009 02:50:38 -0700 (PDT),
wrote:
On Mar 12, 12:24*am, Uncle Toby wrote:
Which is just my way of saying that the traditional UK meanness to
invest in 'frills' like decent bi-directional signalling is
short-sighted. I suspect that the economic cost of failures does not
enter the heads of the money men who fund our railways, as they
probably have been led, or prefer, *to believe that if things are
maintained 'properly' such things happen so infrequently that they
can be ignored.
I thought that most of the recent major mainline resignalling projects
were bi-di?
This should really be discussed in uk.railway. I think there's a very
cheap-and cheerful limited accomodation for reduced-speed wrong way
moves in modern signalling schemes. The only recent project near me
that I'm aware of is the West Anglia Route Modernisation, which seems
to have some position-light signals for the wrong way but no proper
aspects.
No doubt useful but only in very limited circumstances.
Royston station is fully bidirectional, but only the station. A relic of
the King's Cross suburban electrification when the service forward to
Cambridge became a diesel shuttle.
Isn't that true of Worcester Foregate Street as well?
--
Ian Jelf, MITG
Birmingham, UK
Registered Blue Badge Tourist Guide for London and the Heart of England
http://www.bluebadge.demon.co.uk
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