The 15mile Lærdal Tunnel is an impressive structure and has connected two large European countries for nearly 25 years.

The only problem: There was a mountain in the way ... by blasting and removing the muck and excavating the top and bottom of the tunnel. However, this tunnel was 1.7 miles underneath the ...

Maybe that's because it's also one of the world's steepest roads, chiseled into the mountain by local villagers. The Guoliang Tunnel is located in the Taihang Mountains in China's Henan Province ...

Thousands of workers are battling the elements to build India's longest tunnel in the Himalayas. But the Zojila tunnel has a greater purpose, as it could be a game changer for India in the country ...

Efforts to clear debris from the mouth of the tunnel have failed so far Efforts ... have been expanded to include drilling down from the mountain top. A platform is being prepared to place the ...

Special to The New York Times. TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the ...

The Great Bend Tunnel, also known as the Big Bend Tunnel, is part of the John Henry Historical Park and the tunnel that can ...

rehabilitate and upgrade the 19-mile-long Mountain Tunnel, a key component of the Hetch Hetchy Water System that takes water from Tuolumne County and sends it to San Francisco. The San Francisco ...