In article , WHUK writes
Please excuse and forgive me if this is VERY old hat but I have been away
from the Newsgroup for a long time.

As I understand it a certain length of additional tunneling was done on the
central line way back with a view to having extra tracks. This work was
abandoned and I know one section was taken over by what was then the GPO
(BT) as an underground exchange.

That's the Chancery Lane Deep Shelter.

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Clive D.W. Feather | Home:
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