Roland Perry wrote:
In message , at
07:54:39 on Fri, 10 Jul 2009, Arthur Figgis
remarked:
Tony Polson wrote:

and a lot of noise in operation,

In that case, copy foreign lines. Problem solved.

How do they reduce the operating noise? Is it by running mainly through
open countryside, tunnelling under towns, or what?

The Stuttgart-Ulm project in Germany contains a staggering amount of
tunnel - it's virtually a long-distance Tube line. The bits that aren't
in tunnel are alongside an autobahn.

Tom