HS2 Chiltern tunnel with crosspassageway visible to the right November 2022 50591
HS2 Chiltern tunnel with crosspassageway visible to the right Nov...//mediacentre.hs2.org.uk/news/breakthrough-for-hs2s-longest-tunnel...://mediacentre.hs2.org.uk/resources/f/construction/chiltern-tunnels/ima...HS2 TBM 'Florence' breakthrough after boring 16km long Chiltern tunnel.
High Speed 2 project, the HS2 TBM 'Florence' breakthrough after boring 16km long Chiltern tunne...l. Florence is one of the 10 giant Herrenknecht Tunnel Bo...e.hs2.org.uk/news/breakthrough-for-hs2s-longest-tunnel h...
cover tunnel photo by: Matt Brown from London, England / CC BY
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