Mondo Knows Facts

Norway's Laerdal Tunnel is the longest road tunnel

Its 24.5 kilometre bore runs between the villages of Laerdal and Aurland The Laerdal Tunnel opened in 2000 and cut a journey that had involved ferries and mountain passes down to about 20 minutes. Its 24.5 kilometres are split into sections by three large caverns lit with blue and amber light, intended to break the monotony and keep drivers alert. Ventilation is handled by two plants that draw air through the bore. It sits in Mondo's records & extremes collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Statens vegvesen

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Tags: tunnels, norway, roads

Norway's Laerdal Tunnel is the longest road tunnel: the short answers

Where does this come from, and can I check it?
Its 24.5 kilometre bore runs between the villages of Laerdal and Aurland. The figure is taken from Statens vegvesen, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a records & extremes fact?
Yes. It sits on the Records & Extremes shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.