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TUNNELS OF PAJARES AVE MADRID - ASTURIAS (SPAIN)

 

> Piping length. 9.79 km.

 

> Inside diameter. 8.50 m.

 

> Waterproofing works and execution of an independent drainage system for waste and infiltration water.

 

*With a total length of 25 km, the tunnels of Pajares shall be the second longest tunnels in Spain and the seventh longest tunnels worldwide.

 

* They shall allow the passage trough the Cantabrian Mountains, reducing current route from 83 km to 50 km.

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