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With unique features Asturias, Spain See on Google Maps
Construction of 4.3 km from the A-63 Oviedo - La Espina road.

The section is 4.217 km long.The trunk of the dual carriageway is made up of two 7 m carriageways, 1 m inner verges and 2.5 m outer verges, with a median width of 5 m.

Some unique features worthy of mention are:

  • El Fresno tunnels, 949 m long on the right-hand carriageway and 923 m long on the left-hand carriageway, which cross Alto de El Fresno.
  • The Dóriga viaduct, 194 m long and 13.30 m wide, which crosses the junction with the SL-9 road and the El Fresno stream.
  • The Dóriga junction, 3 overpasses and 6 underpasses.

GENERAL INFORMATION

  • Location: Grado - Dóriga, Asturias, Spain.
  • Contract type: Construction.
  • Infrastructure: A 4.217 km section with a junction, a viaduct, 3 overpasses, 6 subways, as well as 2 tunnels totalling 1,892 m in length.
  • Year of project completion: 2004
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