Thread: Crossrail tunnelling to start shortly
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Old March 15th 12, 10:11 AM posted to uk.transport.london,uk.railway
Roland Perry Roland Perry is offline
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Default Crossrail tunnelling to start shortly
In message , at 10:55:45 on Thu, 15 Mar
2012, d remarked:
http://www.bbc.co.uk/news/uk-17365934

There doesn't seem to be much distance between the 2 bores. Surely they won't
be that close the entire route? Looks like it would collapse.

The tunnel is concrete-lined as the machine moves forward.

I'm more interested in them apparently using GPS 38m underground!
--
Roland Perry
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