6.44km

long

Significant part of the route passes through tunnels

The project consisted of the provision of a third lane on both sides of the A-30 motorway on the Murcia - Puerto de la Cadena section.

The Gederiaga - Elorrio dual carriageway had a total length of 6.44 km, with separate two-lane carriageways along its entire length. In the Muntsaratz area, a new intersection connects this corridor with the N-636, giving the villages of Abadiño and Atxondo access to this new route.

 

A large section of the route passed through tunnels. The Gaztelua I and II tunnels both consisted of two tubes and were 594 m and 1,141 m long respectively. The artificial Gaztelua tunnel, which was 216 m long, was located between them, while the Atxondo cut-and-cover tunnel was 95 m long.

 

The main works included two viaducts, 865 m and 649 m long, which formed the basis for the connection of the new infrastructure with the AP-8, one of which branches into two, forming another viaduct that is 187 m long.

GENERAL INFORMATION

  • Location: Gerediaga, Bizkaia, Basque Country, Spain.
  • Contract type: Design, construction, financing, operation and maintenance.
  • Infrastructure: 6.44 km highway with separated two-lane carriageways along its whole length.
  • Year of project completion: 2016

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