All Martyn Noak articles
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NewsImages: HS2 tunnelling machines pass Amersham
HS2 have confirmed that the two giant tunnelling machines digging under the Chilterns have passed the third of five ventilation and emergency access shafts.
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NewsVideo: HS2 celebrates tunnels reaching halfway point under the Chilterns
HS2 have confirmed that two giant tunnelling machines have passed the halfway mark during the excavation of the 10-mile-long Chiltern tunnels.