The tunnel is 1,650 metres long and in the shape of a helix, with six rising circles, in the same style as a multi-storey parking lot. Each rotation of the helix rises 73 feet , with a diameter of 230 feet . The tunnel emerges at a summit 600 feet above the town on Skansen Ridge, where there are parking facilities and a cafe.
From the summit, tourists can walk in the Drammensmarka, the forest area surrounding Drammen. There is a road toll levied for use of the tunnel, which for cars as of 2020 was NOK 35, paid as a parking fee at the top. The maximum height for vehicles is 3.65 metres . Pedestrians may not use the tunnel: instead there is a gravelled zigzag track up the hillside with seats and viewpoints.
Source: Wikipedia.org
Copyright: Creative Commons 3.0
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