Eyholztunnel

The Eyholztunnel (also Eyholz Tunnel) is a 4.25 kilometre long tunnel of the Swiss highway A9, serving as a bypass of the town of Visp in the canton of Valais. The design of the tunnel began in 2005, the traffic handover took place on 13 April 2018.

Google Maps ↗ Wikipedia ↗

Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other tunnels in Switzerland

Delaware Aqueduct United States · 137 km Päijänne Water Tunnel Finland · 120 km Orange–Fish River Tunnel South Africa · 82.8 km Ishikawa Tunnel Japan · 78.5 km Brenner Base Tunnel Austria · 64 km Mont d'Ambin base tunnel France · 57.5 km Gotthard Base Tunnel Switzerland · 57.09 km Hong Kong–Zhuhai–Macau Bridge China · 55 km