A tunnel-boring machine stalled beneath China’s Yangtze River while excavating a highway tunnel, forcing engineers to complete an unprecedented mid-river docking operation over two years.

Seven months after beginning its journey, Elaine the tunnel boring machine has completed its subterranean mission drilling out the Northside Interceptor Tunnel (NSIT). The 16.5-foot diameter, ...

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City of east China's Jiangsu Province on Tuesday, for the ...

The Euston Tunnel is the fifth and final deep twin-bore tunnel on the 140-mile HS2 route between London and Birmingham. It is ...

On a flat, windswept green plain north of Hamburg in the state of Schleswig-Holstein, Germany, a Herrenknecht tunnel boring machine is now 200 meters deep into burrowing under the Elbe River estuary.

31 workers rescued after partial collapse in L.A. tunnel project. Tunnel boring machine was operating 400 feet underground. Project will carry treated wastewater 7 miles to the Pacific Ocean. Cause ...

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into ...