Their 1.5-kilometre deep-dive journey relies heavily on what is described as the lungs of the multibillion-dollar project.

These photos show a huge HS2 tunnelling machine being lifted out of the ground – after it completed a five-mile drive ...

HS2 was today launching Florence – the first of 10 tunnel boring machines that will dig 64 miles of tunnels between London and the West Midlands on phase one of the UK’s new high speed railway. The ...

The Hudson River Tunnel Section is focused on boring through 1.5 miles of riverbed, rock and soft soil, the largest of the ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Fascinating footage shows a huge tunneling machine called Dorothy digging underneath ancient woodland as the United ...

On Wednesday morning, crews removed the final piece of Bertha the boring machine out of the pit it has sat in since reaching the end of the tunnel running under Seattle. A live time lapse of the ...

Contractors in Seattle have once again shut down the tunneling machine Bertha because of a new problem. The world’s largest boring machine moved forward two feet this week after a seven week shutdown.

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...

Deep below the Alps, huge tunnelling machines are cutting their way through the mountain massif. The longest railway tunnel ...