Cassanawald tunnel

The Cassanawald tunnel is a 1,230 metres (4, 040 ft) long tunnel on the A13 road in Switzerland, at an altitude of 1600 m. It is a few km northeast of the San Bernardino tunnel and southwest of the Roflatunnel. Unusually, a railway was laid through the road tunnel in order to ease access for maintenance and fireproofing work.

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