Add Yahoo as a preferred source to see more of our stories on Google. Mary’s job is done. On Wednesday, the tunnel-boring machine known as Mary, responsible for digging the two new tunnels for the ...

Mary, the enormous drill doing the bulk of the heavy lifting in the Hampton Roads Bridge-Tunnel Expansion Project, began boring the second tunnel Thursday after a six-month break. She finished digging ...

It has taken six months but a specialist digging machine has finally finished a multi-million pound tunnel in Mid Wales to bring water to the region. Sign Up and be kept in the loop each and every day ...

Crews are now drilling a launch pit to hold the massive tunnel-boring machine for the Alaskan Way Viaduct Replacement project. The project will be using the largest diameter tunnel boring machine ever ...

The flexible Bucyrus-Ruth model HU Dredger is shown in travel position. An operator hand cranks the steering adjustment of the remote crawler on the Ruth Dredger. The Ruth Dredger was a unique ...

Mary’s job is done. On Wednesday, the tunnel-boring machine known as Mary, responsible for digging the two new tunnels for the Hampton Roads Bridge-Tunnel expansion, completed the second and final leg ...