Preliminary Studies

Preliminary Studies are the first instruments used by the private sector in developing roads solutions. Our studies blend environmental and social impacts with various technical solutions. TRN Ingeniería has carried out a number of projects in this area.

Project list

  • Informative Study of the works Extension of the A-57 in the section Pilarteiros Barro and connection to the AP-9 in Curro

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  • Additional Information Study: High Speed Axis Atlantic. Section O Porrino, Vigo.

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  • VA-30 Valladolid Outer Ring Preliminary study

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