Product name: 

Track duplication of the R-3 commuter line (Barcelona). Parets del Vallés-La Garriga section.

Description: 

Track duplication in a 16 km section including platform and track, structures (9 viaducts, 7 overpasses, 9 underpasses, 28 walls), drainage (19 culverts for drainage, ditches, collectors), electrification (catenary), railway installations, and restoration of affected services and easements.

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