HS2 construction gathers pace as second TBM sets off underneath London

HS2 has launched the fifth tunnel boring machine (TBM), ‘Caroline’, that will be constructing tunnels for the HS2 railway through London, UK. The second launched in the capital, the 2000t machine joins ‘Sushila’, that was switched on earlier this month on the same West London site.

HS2 construction gathers pace as second TBM sets off underneath London HS2 construction gathers pace as second TBM sets off underneath London HS2 construction gathers pace as second TBM sets off underneath London HS2 construction gathers pace as second TBM sets off underneath London HS2 construction gathers pace as second TBM sets off underneath London

TBM Caroline starting her five-mile journey under London as part of the HS2 high-speed rail project

Named after 18th-century astronomer Caroline Herschel, the TBM will now dig for 22 months, non-stop except for Christmas Day, towards Greenpark way in Greenford - boring five miles of the twin-bore