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At 24.5 kilometres, the Lærdal tunnel is the world's longest road tunnel. The road links Aurland and Lærdal, in the heart of Sogn, and provides a ferry-free connection between Oslo and Bergen.
LÆRDALSTUNNELEN - The world's longest road tunnel is 24,5 km long and situated between Aurland and Lærdal. The tunnel opened November 2000. Lighting is a central factor - every 6 km the area is widened and these rock chambers are fitted with special lighting. Safety equipment and monitoring are installed in the tunnel.
Building period: 1995-2000.
Project costs -2000 value: Nok 1050 million.
Tunnel cost: Nok 930 million.
Price per metre for finished tunnel: Nok 38 000.
Turning points: 15
Breakdown lay-bys: 48
Heaviest traffic in an hour: 400 vehicles
Average daily traffic over a year: 1000 vehicles