What is a tunnel boring machine (TBM)?

We've just launched our first giant TBM. But what actually is a TBM? In this video, we explain what a tunnel boring machine is and where they fit in Europe's largest infrastructure project.

Ten giant tunnel boring machines (TBMs) will dig 64 miles of tunnels between London and the West Midlands. We will use Tunnel Boring Machines (TBMs) to excavate tunnels through a variety of soil and rock in dense urban areas and to reduce environmental impacts in rural areas.

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