On Wed, 03 Oct 2007 01:52:11 -0700, Boltar wrote:

Question is , will they do the sensible thing and build the tunnels to
UIC gauge so there is at least the possibility of running dedicated
double deck trains through them alongside normal UK trains , or will
they build it to the hopeless 19th century UK loading gauge and then
complaints about undercapcity start to surface a few years after
opening?

Surely you mean, will they do the sensible thing and not waste money
building it to a larger loading gauge than that of the track at either
end?