The Queens Midtown Tunnel has fully reopened late afternoon Wednesday after a leak temporarily closed it in both directions, officials said. City Emergency Management Commissioner Zach Iscol said the ...

The world's largest-diameter high-speed railway shield tunneling machine independently developed in China, known as Linghang, for the Chongming-Taizhou tunnel under the Yangtze River, reached the ...

With five projects under construction and two tunnel boring machines on their way to New Jersey, progress continues on the $16 billion Gateway Tunnel project, despite a two-month federal payment ...

Work to begin digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...

After going 10 weeks without federal reimbursements, the Gateway Development Commission could be inching toward a solution to resolve a "review" undertaken by the U.S. Department of Transportation ...

The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major cities and become part of a ferry-free highway along its western coast. The ...

Bidding on a major component of the estimated $16-billion Hudson Tunnel Project is now the subject of a federal court challenge after a New Jersey contractor claimed the Gateway Development Commission ...

NASHVILLE, Tenn. (WMC/WSMV) - Steve Davis, the president of The Boring Company, said his long-term dream is to eventually connect the underground transit system in Nashville to Knoxville, Chattanooga, ...

At low temperatures, hydrogen atoms move less like particles and more like waves. This characteristic enables quantum tunneling, the passage of an atom through a barrier with a higher potential energy ...

The Passage of Commodus was used by Roman emperors. Simona Murrone / Colosseum Archaeological Park A secret tunnel in the Colosseum once used by Roman emperors has opened to the public for the first ...

After more than a century of various proposals and planning, Norway’s prime minister has signalled his intention to abandon the ambitious Stad Ship Tunnel project. Norwegian prime minister Jonas Gahr ...

The Howard Street Tunnel, originally built in the 1890s, reopened Friday in Baltimore. The tunnel has been a vital shipping line artery, but it became a corridor bottleneck because double-stacked ...