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

Add Yahoo as a preferred source to see more of our stories on Google. Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first ...

The first of the tunnel boring machines that will dig HS2’s last two tunnels is due to set off on its journey to Euston ...

NEW YORK (PIX11) — The first commuter rail service through the new Hudson River tunnel is planned to run about a decade from now. But crews are busy building structures and clearing the way for the ...

Work to start digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...

DC Water took a major step Tuesday in the Potomac River Tunnel Project, lowering the cutterhead for ‘Mary,’ the tunnel boring ...

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 ...

A giant boring machine has broken through to complete excavation work to all of the tunnels along the 140 mile route of the HS2 railway. The enormous 125m (410ft) long machine emerged today (Mon) ...

Deep under the Yangtze River, a stranded tunnel boring machine that looked like a sunk cost has instead become a showcase of ...

A £100m water supply project has reached a key milestone after engineers completed digging a tunnel beneath a motorway – without disrupting traffic. A remotely operated tunnel boring machine spent 32 ...