Officials with the Gateway Development Commission say the contractor developed a plan that will save time on the $16-billion ...

The project serves as an essential element of Hudson Tunnel Project, with construction slated to begin shortly and aiming for ...

When it comes to replacing the Tobin Bridge, Boston.com readers think sinking the whole shebang under the Mystic River is the ...

OKC Mayor Patience Latting described the city's underground Metro Concourse network as "the largest pedestrian tunnel system ...

Complicating the Gateway project are the unknowns underground, from an 1800s-era bulkhead supporting Manhattan to a former landfill on the path.

Tunnel face stability is a critical aspect of underground excavation, particularly in shield tunneling, where the integrity of the tunnel face can significantly impact the safety and success of ...

Clack-A-Mole, a tunnel boring machine, has completed its ½-mile excavation for a new pipeline in Clackamas County.

The Department of Public Works and Highways expects to finish the excavation works of what would become the longest tunnel in ...

The agency overseeing construction of the new rail tunnel connecting New Jersey and Manhattan on Monday awarded a $1.8 billion contract for the connection on the tunnel’s New York side.