wrote in message
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"David Biddulph" groups [at] biddulph.org.uk wrote

No. The Northern line was going to be extended beyond Edgware, to
Brockley Hill, Elstree, & Bushey Heath.

Cannot see that ever happening now.

It was one of several extensions planned in the 1930s, delayed by WW2, and
cancelled afterwards, chiefly because Green Belt legislation meant that the
areas which would have been served would not be intensively developed. Other
examples are the proposed Central Line extension to Denham and the SR
extension from Chessington South to Leatherhead.

Peter