Roland Perry wrote:
In message
, Colin
Rosenstiel writes
Most of the "Underground" system is either above ground, or in
twin-track cut and cover.

Not in Zone 1 though.

No, but being able to run 24x7 round the Circle, and on many of the
lines outside, would be much better than nothing.

True, but the starting point isn't nothing. It's the most extensive
night bus network in the world.
--
Richard J.
(to e-mail me, swap uk and yon in address)