Baregg Tunnel
Encyclopedia
The Baregg Tunnel is a motorway tunnel
Tunnel
A tunnel is an underground passageway, completely enclosed except for openings for egress, commonly at each end.A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. Some tunnels are aqueducts to supply water for consumption or for hydroelectric stations or are sewers...

 in Switzerland
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

, and forms part of the A1
A1 (Switzerland)
The A1 is a motorway in Switzerland. It follows Switzerland's main east-west axis, from St. Margrethen in northeastern Switzerland's canton of St. Gallen through to Geneva in southwestern Switzerland...

 motorway from Geneva
Geneva
Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

 to St. Margrethen
St. Margrethen
St. Margrethen is a municipality in the Wahlkreis of Rheintal in the canton of St. Gallen in Switzerland.-Geography:...

.

The tunnel is 1.1 km long.

It lies in the vicinity of city of Baden, Switzerland
Baden, Switzerland
Baden is a municipality in the Swiss canton of Aargau, on the west bank of the river Limmat, located in the Limmat Valley , northwest of Zürich. It is the seat of the district of Baden...

.

Construction of a controversial third tunnel started in the late 1990s and was completed in 2003. The tunnel is now able to handle and synchronise with the expanded seven-lane motorway. Now, four lanes head for Zürich
Zürich
Zurich is the largest city in Switzerland and the capital of the canton of Zurich. It is located in central Switzerland at the northwestern tip of Lake Zurich...

, while three lanes head for Bern. Previously, two lanes in each direction would clog traffic in its vicinity. The nearby localities of Neuenhof, Baden and Dietikon would be reasons, as well as through traffic from Berne to Zurich and St. Gallen, for the clogged traffic.
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