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The Sierre Tunnel (french: Tunnel de Sierre) is a 
tunnel
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...
near Sierre
Sierre (; german: Siders, ; frp, Siérro, ) is the capital municipality of the district of Sierre, located in the canton of Valais, Switzerland. It has a population of 16,332.
Sierre is nicknamed City of the Sun (french: Cité du Soleil) for ...
in the Swiss
Swiss may refer to:
* the adjectival form of Switzerland
* Swiss people
Places
* Swiss, Missouri
*Swiss, North Carolina
* Swiss, West Virginia
* Swiss, Wisconsin
Other uses
* Swiss-system tournament, in various games and sports
*Swiss Internati ...
canton of Valais
Valais ( , , ; frp, Valês; german: Wallis ), more formally the Canton of Valais,; german: Kanton Wallis; in other official Swiss languages outside Valais: it, (Canton) Vallese ; rm, (Chantun) Vallais. is one of the 26 cantons forming the S ...
. It is part of the A9 Autobahn and is located between Sierre and Sierre-Est-Ouest.
The tunnel was opened in 1999 and consists of two tubes of 2,460 metres (8,070 ft) in length. In a tunnel test by the European Tunnel Assessment Programme (EuroTAP) in 2005 it was rated as "good" – the second-highest grade out of five.
The two tubes consist of four linked tunnels, namely,
* Alusuisse — 1,070 metres (3,510 ft),
* Contoured — 620 metres (2,030 ft),
* Crête Plane — 180 metres (590 ft), and
* Ancien Sierre Plant Composition — 580 metres (1,900 ft).
The Sierre Tunnel came to international attention in March 2012 after a coach crash inside resulted in the deaths of 28 people, including 22 children, who were returning to Belgium
Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to ...
from a school skiing holiday.
References
Road tunnels in Switzerland Buildings and structures in Valais Tunnels completed in 1999 1999 establishments in Switzerland {{Switzerland-struct-stub