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Tunnel safety and road work in the Bernese Oberland

Comprehensive road works have been in progress on national roads A6 and A8 in the Bernese Oberland since 2013 with the aim of enhancing the safety of road users. In the initial stage the focus is on the construction of emergency galleries in all tunnels in which traffic travels in both directions through a single tube. This measure will ensure that road users will be able to escape from the tunnel in the event of a fire.

The renovation programme will also focus on the maintenance of the stretch of the A8 between Interlaken-Ost and Brienz. The intention here is to completely renovate the stretch along the left-hand side of Lake Brienz, commencing in 2021. One of the main objectives is to bring the tunnels into line with the latest safety standards. For example, the ventilation system in the Giessbach tunnel is to be upgraded, and all engineering structures (bridges, retaining walls, etc.), as well as road surfaces, are to be repaired or renovated.