Meanwhile, at the uk.telecom Job Justification Hearings, Tristán White chose
the tried and tested strategy of:

On Sep 12, 9:54 am, Roland Perry wrote:

There isn't a technical problem with getting coverage into the tunnels,
the issue is that there are so many tunnels that the cost of providing a
public service (in addition to any existing private system) would be
prohibitive.

There are two options to this that I can think of.

Here's a (d) that's a bit similar: TFL [or whoever] commission an
underground network [let's call it 'Undernet'], probably financed with nasty
old PFI, which means no duplication of infrastructure [ie one set of kit].
To finance it, it can only be roamed to if your operator agrees, ie you will
pay to use the network via roaming charges as though you were abroad.

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