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Plans to start Croxley Rail Link services in 2016

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February 27th 12, 11:57 AM posted to uk.transport.london,misc.transport.urban-transit,uk.railway

Richard J.[_3_] Richard J.[_3_] is offline

Richard J.[_3_] is offline

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Plans to start Croxley Rail Link services in 2016

d wrote on 27 February 2012 12:36:58 ...
On Mon, 27 Feb 2012 04:16:20 -0800 (PST)
wrote:
The line isn't installed yet never mind any technology but relevant
technology is already in use elsewhere; a train cannot be signalled
from the DC line to LU at Queens Park if it does not pass current
through the 4th rail.
Similar methods can prevent an LU train going to 3rd rail territory
but are AFAIAA not currently used anywhere, possibly because the
consequences are non-destructive (except for the timetable). For new
work other technology such as e.g. identification transponders could
achieve the same job.

One is aware that transponders could solve this problem. However,
AFAIK, LUL have yet to utilize such technology for the above stated
purpose.

Just out of interest , has an LU train ever accidentally been routed onto
a 3rd rail line by mistake, eg at the aformentioned locations or
gunnersbury?

At Gunnersbury, the 4th rail continues for a short distance on the up
North London Line, presumably to enable reversing moves by LU trains.
So if an LU train was accidentally routed on to the NLL, the driver
would realise this before leaving 4th rail territory.
--
Richard J.
(to email me, swap 'uk' and 'yon' in address)

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