Mary the Tunnel Boring Machine breaks through on second tunnel for HRBT expansion project News Mary the tunnel boring machine broke through on the second tunnel Wednesday as part of the HRBT expansion ...
Giant tunnel-boring machines can get stuck in the rock they’re digging through, revealing flaws in the internal control of ...
HAMPTON ROADS, Va. — The massive boring machine that's being used in the Hampton Roads Bridge-Tunnel expansion project reached a huge milestone. The machine, named "Mary," is digging the tunnel for ...
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 ...