Final part of key design elements for HS2 Chiltern tunnels revealed
Major UK rail infrastructure project sees twin TBM reach halfway point under Chiltern hills
Piling has been completed for UK's longest railway bridge as a part of the HS2 rail project
Significant progress has been made on HS2's tunnels under the Chiltern Hills in the UK
First cross passages completed on UK's HS2 tunnels project under Chiltern Hills
UK motorway safety during tunnelling project assured by Socotec Monitoring UK
Revised design for HS2 tunnel vent shaft headhouse revealed by contractor
HS2 tunnelling machines have reached the Chalfont St Peter ventilation shaft
Contract extension for Keltbray on UK's HS2 high-speed rail project
HS2 tunnels outside of London stay safe thanks to monitoring by Socotec
First mile of HS2 tunnels completed under Chiltern Hills on UK infrastructure project
Final shaft headhouse design for use on HS2 Chiltern tunnel revealed