Balfour Beatty VINCI's (BBV) tunnel boring machine (TBM) Mary Ann has completed carving out the first bore of the 5.8km Bromford Tunnel, marking a milestone in the construction of the High Speed Two ...

UK’s High Speed Two (HS2) has begun excavation of the last tunnel bore on its 140-mile high-speed rail link between central London and the West Midlands. On 16 March 2026, the 11th and final tunnel ...

HS2 celebrates launch of TBM for second tunnel bore under Long Itchington Wood in Warks. Credit: High Speed Two Ltd. UK-based High Speed Two (HS2) has launched the 125m tunnel boring machine (TBM), ...

Caroline TBM can travel at an average of 14m per day. Credit: High Speed Two. High Speed Two (HS2) has rolled out the fifth tunnel boring machine (TBM), known as Caroline, for the construction of ...

The digging machines used on the project are being removed Four giant tunnelling machines working below west London have completed the excavation of the 8.4-mile (13.5km) Northolt tunnel between West ...

You might not think so at first, but a tunnel boring machine (TBM) can be fascinating in its own way. Imagine a giant machine, with an elongated shape, that digs her way under the ground, as to not ...

A video shows the 125-tonne cutterhead of a tunnel boring machine being removed following HS2’s recent tunnel breakthrough in Washwood Heath, Birmingham. The team will now remove the rest of the ...

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The 2.1-mile Colne Valley viaduct is about a third complete. Photo courtesy of HS2 Ltd. December 28, 2023 With its workforce now peaking at around 30,000, the U.K.'s London-Birmingham 140-mile HS2 ...

A huge tunnel boring machine (TBM) will dig HS2’s Bromford Tunnel, between Water Orton in North Warwickshire and Washwood Heath in Birmingham. This is the fourth twin bore railway tunnel to start ...

The milestone was achieved using one of four giant tunnelling machines being deployed to build the railway’s Northolt Tunnel. The tunnel boring machine (TBM), named Caroline, is the second machine to ...