On Thu, 14 Dec 2017 11:56:31 +0000
Mike Bristow wrote:
In article ,
wrote:
As an aside - I wonder why the lines at waterloo were never linked to the
charing X line at waterloo east?

They were. The line was taken up in 1911, according to
https://www.londonreconnections.com/...waterloo-link/

A lost opportunity. Could have been the south london version of crossrail (ish).