Northolt Tunnel

HS2 removes second TBM after 8km London tunnel drive

15/07/2025 08:30 | Concrete Contracting

TBM Caroline lifted from Greenford shaft after completing 5-mile tunnel section for HS2
HS2 tunnel breakthrough delivers concrete milestone

08/07/2025 09:00 | Precast Production

Over 17,000 precast segments installed as TBM ‘Emily’ completes 5.5km drive under west London
HS2 TBM completes five-mile London tunnel

07/04/2025 09:00 | Concrete Contracting

Second HS2 tunnel boring machine completes five-mile concrete-lined tunnel in west London