"Colin Rosenstiel" wrote in message
...
In article , lid
(Michael Hoffman) wrote:
John wrote:

It is a very good read and does suggest reasons
for the lack of tube south of the Thames.

Care to share?

Briefly, lack of clay and Sir Herbert Walker.

Every author seems to have their pet reason or two, but the real answer will
be the benefit-cost ratio, which sums up *all* relevant factors, not just
one or two.

--
John Rowland - Spamtrapped
Transport Plans for the London Area, updated 2001
http://www.geocities.com/Athens/Acro...69/tpftla.html
A man's vehicle is a symbol of his manhood.
That's why my vehicle's the Piccadilly Line -
It's the size of a county and it comes every two and a half minutes