A second sinkhole has formed along the route of High Speed 2's Chiltern tunnels, after Align JV's tunnel engineers were warned of a potential dissolution feature in advance.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.geplus.co.uk/news/hs2-another-sinkhole-appears-above-chiltern-tunnels-in-buckinghamshire-15-11-2023/
HS2: Another sinkhole appears above Chiltern tunnels in Buckinghamshire | Ground Engineering
www.geplus.co.ukA second sinkhole has formed along the route of High Speed 2’s Chiltern tunnels near Hyde Heath in Buckinghamshire.