Position of the portals
Eastern portal	47.141172°N 10.313269°E
Western portal	47.129806°N 10.120006°E

The Arlberg Road Tunnel with a length of 13,976 metres is Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

's longest road 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...

. It carries the S16 Arlbergschnellstraße (German for "Arlberg Highway") under the Arlberg

Arlberg

Arlberg is a mountain range or massif between Vorarlberg and Tyrol in Austria.The highest peak is the "Valluga" at . The name Arlberg derives from the tradition of the "Arlenburg," who are said to have once established themselves on the Tyrolean side of the Arlberg passes . Another story derives...

 massif from Tyrol

Tyrol (state)

Tyrol is a state or Bundesland, located in the west of Austria. It comprises the Austrian part of the historical region of Tyrol.The state is split into two parts–called North Tyrol and East Tyrol–by a -wide strip of land where the state of Salzburg borders directly on the Italian province of...

 to Vorarlberg

Vorarlberg

Vorarlberg is the westernmost federal-state of Austria. Although it is the second smallest in terms of area and population , it borders three countries: Germany , Switzerland and Liechtenstein...

.

The tunnel is 1228 m (4,030 feet) above sea level with the road above the tunnel being 1640 m (5,400 feet) elevation.

It was built between July 1974 and December 1978 and its costs amounted to 4 billion Austrian schilling

Austrian schilling

The schilling was the currency of Austria from 1924 to 1938 and from 1945 to 1999, and the circulating currency until 2002. The euro was introduced at a fixed parity of €1 = 13.7603 schilling to replace it...

s (~300 million €). The tunnel is designed for 1800 vehicles per hour and equipped with 4 ventilation centres (one shaft with a height of 736 metres is the deepest in Europe), 12 vents, 43 cameras for traffic monitoring and 16 niches. In 1998 the tunnel was used by 2.6 million vehicles, where 18 % are accounting for freight transport. The Arlberg Tunnel is a Toll Road: Euro 8,50 (november 2010)