Brian Watson wrote:
A contributor to The Robert Elms Show on BBC Radio London has just claimed
there are secret underground train lines between Buckingham Palace and
various other London sites.
Nifty conspiracy theory, or fact?
Well, I shouldn't be telling you this, but the tube line running
practically underneath BP was retired in 1967, for reasons of economy.
It was absorbed into the full Underground system, and publicised as a
new line, but in one of those in-jokes that abound in such situations,
its true origins can be discerned by considering which monarch it is
named after.
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http://gallery120232.fotopic.net/p9632942.html
(43 032 at Reading, 10 Mar 1999)