Project
overview

Business area

Infrastructures

Category

Road/Highway

Status

In progress

The Kerenzerberg Tunnel is part of the A3 state road, located in the canton of Glarus in eastern Switzerland.

Project N03/70 KER – section 1 involves the construction of a safety tunnel (SiSto), which runs parallel to the existing Kerenzerberg road tunnel south of the “Walensee” lake.