Giant caverns – each large enough to house the body of an A380 – will house the boring machines that will carve the road ...

These behemoths, called tunnel-boring machines, or TBMs, are expensive and often custom-built for each project, as were the TBMs used to excavate a path for London’s recently opened Elizabeth ...

Tunnel boring machines have been in operation for over 200 years and they operate on the same basic principles today as they ...

Tunneling machines are among the most impressive feats of engineering in the construction world. These massive machines, known as tunnel boring machines (TBMs), are used to dig tunnels for ...

Boring Company Prurfock 3 and the new Prufrock 4 tunneling machines can only tunnel about 11 hours per day. There are limitations are maintenance and how they have to stop tunneling to put in the ...

Fascinating footage shows a huge tunneling machine called Dorothy digging underneath ancient woodland as the United Kingdom's HS2 high-speed rail project goes full-steam ahead. Dorothy ...

Mercury News readers can vote on the top 10 most popular names submitted for San Jose BART’s tunnel boring machine — a device that will dig a nearly 5-mile pathway underneath the city and ...

expansion achieved a major milestone as its tunnel boring machine reached its destination. Nicknamed "Chessie," the tunnel boring machine broke through the receiving pit on Two Island at Thimble ...

A giant HS2 boring machine has broken through to complete the first section of a three and-a-half mile (5.6km) tunnel on the route's approach into Birmingham. The 125m (137yd) long, 1,600-tonne ...