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Negrón Tunnel

Lena, Caudal, Asturias

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Negrón Tunnel

Curiosity · Lena, Caudal, Asturias

At 4,144 metres it is the longest tunnel on the Huerna motorway and links Lena with the León municipality of Sena de Luna beneath the range. The first bore came into service with the motorway in 1983, but the second was not opened to traffic until 1997.

Photo: Nachosan (CC BY-SA 3.0)

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