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Old July 4th 07, 03:23 PM posted to,uk.railway
Jack Taylor Jack Taylor is offline
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First recorded activity at LondonBanter: Jul 2003
Posts: 634
Default North London Line goes 4-car in early 2011

Peter Masson wrote:

How much platform lengthening will be needed? In most cases it will
merely involve reopening sections of platfrom which have been out of
use for years, but lengthening Willesden Junction high level looks as
though it will be expensive.

That's the main culprit. Quite a lot need little work other than
stripping/resurfacing/drainage cleaning. WJ is the difficult one to squeeze
another car length out of. Even SDO (to use the inner doors only of the end
cars) wouldn't work, due to the siting of the signalling.