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immediately east (the
Weiningen junction) and west (the Affoltern junction) of the tunnel will also be modernised. The project will cost in total 1.55 billion Swiss francs. Work started in 2014 and was scheduled to take 9 years. In July 2023, the third tube was inaugurated. Construction was hampered by the
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renovation plan covering the western entrance, the
Gubrist Tunnel itself, and a further 10 km of motorway west of the tunnel. The project will expand the motorway approaching the tunnel from its original 4 lanes (2 in each direction) to 6 lanes (3 in each direction). The major junctions
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The tunnel is named after the hill of
Gubrist, which is nearby. In 1990, 63,000 cars/day used this tunnel; in 2014 the number had risen to 106,000, but by 2025 this number is expected to rise to 125,000. By 2023, the tunnel reached 120,000 cars.
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motorway, on its northern ring section around ZĂĽrich. The tunnel was completed in 1985, and is 3,273 metres (10,738 ft) in length.
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achieved for the tunnel to include a covering fence of 100m at the end against noise and smell.
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Gubrist Tunnel: map of its two open tubes and the third, built, but not opened (2022)
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In 2012, the
Gubrist Tunnel was rated as 'sufficient' (
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This article about a Swiss building or structure is a
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nearby fiercely opposed the plans and appealed to the
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