Belchen Tunnel
The 291st longest tunnel in the world
The Belchen Tunnel is a motorway tunnel in Switzerland, and forms part of the A2 motorway from Basel to Chiasso. It links Eptingen in the canton of Basel-Country with Hägendorf in the Canton of Solothurn. The tunnel was opened in 1966, and is 3,180 metres (10, 430 ft) long.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).