Contractors cannot afford to get the sequence wrong as they truck large pieces of equipment through tunnels to two large caverns beneath the city’s inner west.

A machine has begun digging HS2’s 4.5 mile tunnel to Euston, from Old Oak Common, a journey expected to take 18 months.

Chinese engineers have managed to turn disaster into a masterful engineering feat by rescuing ...

HS2 starts digging Euston tunnel despite station funding doubts - Old Oak Common will be the London terminus for HS2 services ...

A 700-foot-long tunnel boring machine named Mary is being assembled in Washington, D.C., to dig a 5.5-mile stormwater and ...

The $80 million tunneling machine known as ‘Bertha’ resumed mining Tuesday beneath the Seattle waterfront for the first time in about seven weeks. The machine moved forward about two feet, allowing ...

The first of two machines which will dig HS2’s tunnel to Euston has been launched, despite uncertainty over the development ...

The five-story-tall tunneling machine that will bore a hole from SODO to Queen Anne for the new SR 99 tunnel now has a name: Bertha. The Washington State Department of Transportation launched a ...

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 ...

They weighed 1200 tonnes each, the same as 171 elephants, measured 170 metres in length, and dug through 1.58 million tonnes of rock. Now that their job is done, they’ve been dismantled underground, ...