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 ...

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

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 ...

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

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

Tunnels may not be glamorous, but there are few things more satisfying than honking your car’s horn when driving in a tunnel bored through a mountain. The urge to test the acoustics of a car ...

While there are at least a few tunnels under the square, their use has long since passed. They once connected buildings formerly used as banks. When several of the buildings were renovated for new ...

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