On Friday, January 11, 2013 11:52:08 PM UTC, Clive D. W. Feather wrote:
In message , Peter Masson

wrote:

The additional tracks from North Acton to West Ruislip were built by

the GWR but always intended for the Central Line, and when they were

opened in 1947 the GWR local servicewas withdrawn (though Greenford

Main Line station had one up train a day as late as 1964).



I've classed these, and the similar tracks of the District Line running

beside the LTSR, as "takeover".



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Clive D.W. Feather | Home:

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Please reply to the Reply-To address, which is:

I disagree. All the Central line western extension was built alongside and in addition to the GW: no infrastructure was taken over, so IMV it should all be classed as new build. Admittedly the train service replaced the existing GW one, but on entirely new tracks.

StuartJ