Coming in at 35.5 miles long, the Gotthard Base Tunnel beats out the previous record-holders for longest underground train tunnel by a hair: the now-second-longest tunnel, Japan’s Seikan Tunnel ...

The railway is 1.4 miles under the Swiss Alps. — -- It has taken 17 years to construct at a cost of $12 billion. But, finally, the world's longest and deepest rail tunnel, running under the ...

The Gotthard Base Tunnel, the longest and deepest train tunnel in the world, opened on June 1. It offers unprecedented efficiency for passengers and cargo moving between northern and southern ...

Crossing the Alps, the world's longest train tunnel should become operational at the end of 2016. The project consists of two parallel single track tunnels, each of a length of 57 km (35 miles).

The world’s longest and deepest train tunnel has opened in Switzerland, nearly two decades after construction began. Stretching for 35 miles under the Swiss Alps, ...

It's a story of the construction of the world's longest tunnel, ... with each train's capacity doubling from 2,000 tons to 4,000 tons. Maximum speeds will be as high as 155 miles an hour. ...

Heralded as the construction project of the century, the Gotthard Base Tunnel in Switzerland is among the world's most ambitious tunnel projects, spanning more than 35 miles and taking 17 years to ...

The train leaves the Swiss Alps' station and soon enters total darkness. It picks up speed, reaching 125 miles an hour as it hurtles through the mountain at depths of up to 7,500 feet.

The world's longest and deepest railway tunnel opens Wednesday in the Swiss Alps, ... A test train in the Gotthard Base Tunnel near the town of Sedrun, Switzerland, on March 10.

However, visitors to Switzerland have a unique opportunity in the meantime. From Aug. 2 to Nov. 27, passengers will be allowed to descend into the once-in-a-century construction project during ...