The longest and deepest rail tunnel in the world has been completed. It is built thousands of feet below the Alps Mountains in Switzerland. The Gothard Base Tunnel (GBT) will begin from Erstfeld in the Central Canton of Yuri, Switzerland, to the Bodio of the Southern Ticino Canton. This will now take two hours and 40 minutes between Zurich to Milan. The tunnel is divided into two parts. During the excavation of the Gothard Base Tunnel (GBT), the engineers had to excavate 73 different types of stones. Some of these were hard like granite and some were soft like sugar. During this time, 28 million tonnes of stones were extracted. More than 2500 laborers were employed in layoffs, power and cables.
This dual tunnel is 57 kilometers long and 2.3 kilometers below ground level. Where the temperature is up to 46 ° C. There are high mountains on top of it. It took nearly 20 years to make it. Its construction started in 1996. It opened on 1 June 2016 and freight service started on 11 December 2016. Till now, the longest tunnel in the world was Japan's 53.9 km 'Seikan Rail', but now this achievement is in the name of Gotthard. A live relay carried a speech from the southern end of the tunnel, in Bodio, by the Swiss federal transport minister, Doris Leuthard.
Gotthard tunnel: World's longest and deepest rail tunnel opens in Switzerland. The 57km (35-mile) twin-bore Gotthard base tunnel will provide a high-speed rail link under the Swiss Alps between northern and southern Europe. Switzerland says it will revolutionise European freight transport. Goods currently carried on the route by a million lorries a year will go by train instead. The tunnel has overtaken Japan's 53.9km Seikan rail tunnel as the longest in the world and pushed the 50.5km Channel Tunnel linking the UK and France into third place.
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