You are currently browsing the daily archive for 28/07/2022.

You may have been shocked by the recent pictures of Dorothy, a huge HS2 tunnel boring machine with a diameter of 9.1 metres.

However, the Stonehenge tunnel machines will be 14 metres in diameter and 85m of the tunnels at the eastern end and 200m at the western end will be constructed using cut and cover.

And there will be two of them!

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