• The 2,000 tonne tunnel boring machine ‘Dorothy’ sets off for second tunnel drive under Long Itchington Wood in Warwickshire
• The first one-mile tunnel bore was completed in July this year – the first breakthrough on the HS2 project
• This is the sixth tunnel launch on the project, but the first time a TBM has been reused

https://www.balfourbeatty.com/news/balfour-beatty-vinci-celebrates-launch-of-tbm-for-second-bore-on-hs2/