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London has just drilled 42km of tunnel, with a further 76km of surface track, and including stations along its length to serve 200 million passengers a year, tr
by _benedict 10y ago
London has just drilled 42km of tunnel, with a further 76km of surface track, and including stations along its length to serve 200 million passengers a year, trains and everything it will only cost £15Bn.
This is only a little over twice the SF figure, for an order of magnitude better result.
- spoonie 10y agoThey have to play Tetris underground though, with the existing tunnels. In some places the new Crossrail tunnels are only meters away from other tunnels.