The Arlberg Road Tunnel, with a length of 13,976 metres is Austria's longest road tunnel. When it was inaugurated it was the longest road tunnel in the world. It carries the S16 Arlberg Schnellstraße under the Arlberg massif from Tyrol to Vorarlberg.
The tunnel is 1228 m above sea level with the road above the tunnel being 1640 m elevation.It was built between July 1974 and December 1978 and its costs amounted to 4 billion Austrian schillings. The tunnel is designed for 1800 vehicles per hour and equipped with 4 ventilation centres, 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 10. Tolls for both directions are collected at the eastern end of the tunnel.
Wikipedia https://en.wikipedia.org/wiki/Arlberg_Road_Tunnel
Coordinates 47°7'35.539" N 10°11'14.361" E
