Tunnel Boring Machine

HS2 dismantles giant TBM Mary Ann for refurbishment

09/06/2025 08:45 | Precast Production

120-tonne cutterhead lifted from Birmingham tunnel as TBM completes first Bromford bore
First HS2 tunnel breakthrough in Birmingham

15/05/2025 08:45 | Precast Production

Video shows Mary Ann TBM completing 3.5-mile tunnel linking Warwickshire and Birmingham
United Utilities begins tunnelling in Bolton

10/06/2024 09:00 | Concrete Contracting

Project to construct network of storm-water storage tunnels starts with tunnelling boring machine (TBM) launch
Over half of tunnels completed on HS2

10/05/2024 08:45 | Concrete Contracting

HS2 achieves key milestone with over half of the tunnels now completed