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To secure the availability and usability of the motorway network, the Federal Roads Office (Fedro) developed new solutions for the renovation of road tunnels while keeping them open to traffic and initiated a pilot project. The aim is to replace a non‐reinforced inner shell at night and ensure the availability of all lanes during the day. The solution involves partially removing the existing inner...
The Swiss motorways and national roads are being completely modernised in maintenance sections. All structures are regularly checked according to national and Fedro standards and maintenance measures are implemented where necessary. Completed maintenance projects concerning retaining structures have shown that the danger of corrosion cannot be neglected. In order to ensure the availability of the...
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