After 2.5 years, digging machine finishes work for HRBT expansion

On Wednesday, the tunnel-boring machine known as Mary, responsible for digging the two new tunnels for the Hampton Roads ...
The World from PRX on MSN

World’s longest underground rail tunnel in the Alps nears completion

Italy and Austria are on the verge of completing the longest underground rail tunnel in the world. The €10.5 billion ($12.3 ...
MyNorthwest.com

Seattle tunnel machine gets name, identity and Twitter handle

If you’re going to be the biggest tunnel digging machine in the world, you deserve a beefy name to back it up. That’s the thinking of the Washington State Department of Transportation, which announced ...
MyNorthwest.com

Viaduct replacement crews digging giant launch hole for ferry-sized tunnel boring machine

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 ...
KUT

Behind those walls along I-35, TxDOT is building one of the largest tunnels Austin's ever seen

Lowering a highway in flash flood alley comes with obvious risks. So TxDOT's building a drainage tunnel wide enough to drive ...
San Diego Union-Tribune

Digging to rescue 41 workers trapped in a collapsed tunnel in India halted after machine breaks

NEW DELHINEW DELHI — Attempts to reach 41 construction workers stuck in a collapsed tunnel in northern India for two weeks were again stymied Saturday. The drilling machine broke down late Friday ...