The Boring Company faces significant challenges with Nashville's limestone bedrock and high water table as it plans a 10-mile underground tunnel connecting key city locations.

Elon Musk's Boring Company will build a privately funded high-speed tunnel, the Music City Loop, connecting Nashville ...

A privately developed tunnel project could soon connect travelers from downtown Nashville to Nashville International Airport.

Similar to the Hudson Yards concrete casing project, this is just 700 feet of tunnel path, but the work will take place in an extremely challenging geographic area.

Five projects are now underway, in North Bergen, at the Hoboken-Weehawken border, on the western edge of Manhattan and in the ...