Arlberg Road Tunnel
The Arlberg Road Tunnel, with a length of, 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 above sea level with the road above the tunnel having an elevation of.
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 with a one-way fee of €11. Tolls for both directions are collected at the eastern end of the tunnel.
