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| London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#11
August 8th 17, 10:55 AM
posted to uk.transport.london
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New York Times on Crossrail
On Tue, 8 Aug 2017 10:49:50 +0100, Basil Jet
wrote: On 2017\08\08 10:40, Ding Bat wrote: Tunneling today is done with an automated mole having a circular cross section, so a Paris style semi-circular tunnel for double-track is impracticable. Where does London have multi-track tunnels? There are numerous between Kings Cross and Potters Bar. I doubt they are all cut-and-cover. No, definitely not, but they weren't drilled using TBMs, either. Given when they were built, I assume they were cut by hand. |
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