Date: 10/10/2022

HS2's first Tunnel Boring Machines (TBMs) excavating HS2s longest tunnels have completed the first 4 miles of their drive from the Chiltern tunnels south portal to the second ventilation shaft at Chalfont St Giles.

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HS2 Chiltern tunnel “ Florence and Cecilia reach 4 mile point at Chalfont St Giles

HS2

HS2s first Tunnel Boring Machines (TBMs) excavating HS2s longest tunnels have completed the first 4 miles of their drive “ from the Chiltern tunnels south portal to the second ventilation shaft at Chalfont St Giles Download latest photos of the Chiltern tunnel and Chalfont St Giles vent shaft

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Tunnel boring machines 'Florence' and 'Cecilia' have reached a 4 mile point at Chalfont St Giles.
Location: Chiltern Tunnels
Company: HS2
/10/2022 HS2

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Tags: x HS2 x TBM x Chiltern Tunnels