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

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 government investigation has confirmed that tunnel construction for the shinkansen bullet train line extension to Sapporo ...

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 ...

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.