All Chiltern tunnels articles
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FeaturesIn pictures: how Align JV is building the UK’s longest rail bridge, one piece at a time
Massive infastructure projects at Colne Valley Viaduct and Chiltern Tunnel form first stretch of HS2 outside London
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NewsHS2 loses vast quantity of ‘highly polluting’ clay into chalk aquifer
Scheme being carried out in Chilterns
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NewsHS2 refutes claims overall cost has risen by another £800m
Project spokesperson says reports are ‘completely misleading’
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NewsHS2 moves to reassure on water supplies after concerns raised over Chilterns tunnelling
Railway has spent £100m on adding filters and pumps to local pumping stations
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NewsHS2 outlines plans to stop Chiltern tunnelling contaminating local water supplies
Senior project manager admits job facing ‘significant challenge’ with surrounding terrain