Take a tour inside an HS2 tunnel boring machine (TBM) with one of our tunnelling engineers. Walk the length of this 170m long underground 'factory' and discover how it excavates the 10 mile long Chiltern tunnel high speed trains will run through. See inside the control room of TBM Cecilia and find out where the crew make their coffee!
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If you have a question about HS2 or our works, please contact our HS2 Helpdesk team on 08081 434 434 or email hs2enquiries@hs2.org.uk.