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
HS2 reach halfway point on Bromford Tunnel 29/08/2024 07:30 | Concrete Contracting HS2’s ‘Mary Ann’ TBM has completed half of its 5.6km journey to construct the Bromford Tunnel