Tauern Road Tunnel
The 167th longest tunnel in the world
The Tauern Road Tunnel is located on the Tauern Autobahn (A10) in the Austrian federal state of Salzburg. The use is subject to a toll. With a length of 6,546 m (21, 476 ft) (3.07 miles), the tunnel ranks as one of the longest frequently-travelled road tunnels in Austria.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).