Скачать или смотреть Tunnelling Under the Chiltern Hills

We will use Tunnel Boring Machines (TBMs) to excavate tunnels through a variety of soil and rock in dense urban areas and to reduce environmental impacts in rural areas. The first of these TBMs, Florence, was launched in May 2021 and will dig the 10-mile-long Chiltern tunnels - operating 24/7 for the next 3 years. Cecilia, the second of the 2000 tonne TBMs measuring over 170 metres each will be launched shortly at the same site.

Find out more about HS2's tunnels: https://www.hs2.org.uk/building-hs2/t...

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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 [email protected].

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