The 11-mile passage will be the world's longest road and rail tunnel, as well as the planet's longest immersed tunnel when it ...

A staggering €1.9 billion megatunnel is set to change the face of travel in Norway, cutting an 11-hour journey down to just 30 minutes.

Ground subsidence in Gifu Prefecture was likely caused by tunnel construction work for the magnetic-levitation (maglev) Chuo Shinkansen Line, Central Japan Railway Co. (JR Tokai) said. In the ...

Six contractors are competing for the opportunity to construct the Stad ship tunnel. Among them are two Norwegian companies, ...

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

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