Britain’s HS2 project launches a third tunnel boring machine under London
Moving the middleshield. HS2 team lift Tunnel Boring Machine TBM Emily October 2023 HS2 media centre
The London tunnels programme of Britain’s high-speed rail project, HS2, has marked a notable milestone. The project to build a new railway between London and Birmingham has launched a third tunnel boring machine (TBM) beneath the capital. The TBM, named Emily, weighing around 1,700 tonnes, has commenced its excavation journey, undertaking a 3.4-mile (5440-metre) dig under the north western suburbs of the city.
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