A tunnel boring machine names "Mary" has been digging a tunnel underneath the Chesapeake Bay in an effort to relieve ...

The feds and the state are helping to foot the bill for a massive public works project which includes a construction site ...

Mary, the tunnel boring machine that has been paving the way for the expanded Hampton Roads Bridge-Tunnel, hit a milestone Wednesday when she finished the first of twin tunnels that are part of the ...

Recent advancements in rock cutting and tunnel boring machine (TBM) performance have underscored the importance of optimising cutter design, operational parameters and understanding rock fracture ...

HAMPTON, Va. (WAVY) — Mary, the tunnel boring machine for the new Hampton Roads Bridge-Tunnel expansion, completed the first new tunnel at the HRBT’s North Island Wednesday morning, a major milestone ...

The Tonnelle phase represents just a sliver of the overall $16 billion Gateway tunnels program. The excavation work is in preparation for the tunnel boring machines that will begin drilling through ...

The Hudson Tunnel Project is marking another major milestone as it nears a critical point in the $16 billion process. During its Aug. 20 board meeting, Gateway Development Commission announced that ...

HAMPTON, Va. — Still two years away from scheduled completion, the Project Director for the Hampton Roads Bridge Tunnel Expansion says 2025 will be the "most meaningful" year for the people driving ...

The projects aim to prepare a stable path for tunnel boring machines that will excavate the new two-track tunnel under the Hudson River. Challenges include navigating varying geological conditions, ...

JSE-listed Master Drilling is currently developing a new Shaft Boring System (SBS) that aims to revolutionise shaft sinking in hard rock by eliminating the need for conventional blasting in hard rock ...