The 17-mile underwater tunnel used by high-speed trains will be as deep as 1,558 feet below sea level, according to the ...

You might think the far-fetched idea of twin tunnels whisking Tesla passengers from downtown to the beach might be dead. You ...

Meet Brenda, a 600-pound machine that cuts through the earth like it's a piece of cake. The massive tunnel boring machine, whose face is essentially a giant rotating cutter, completed a six-month ...

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

The most dangerous phase of Hoover Dam's construction was building the diversion tunnels, two on each side of the Colorado River. Blasting holes 56 feet in diameter, three-quarters of a mile ...

Take “bat tunnels”, the structures designed to help bats safely navigate developments which recently drew the chancellor’s ...

The system was created to allow freight to be moved without disrupting traffic but soon came to be used by local oilmen and ...

Seminole County is considering building tunnels to enhance safety at busy intersections along the Wekiva Trail. The 16-mile ...

The Manhattan Tunnel Project is one of the most technically complex pieces of the HTP," according to new GDC Chief Executive ...

Construction of this portion of the Hudson Tunnel Project (HTP) is expected to begin in the coming months, with substantial ...

The Colorado Department of Transportation plans to start a project in the coming weeks to address one of the tunnel's ...