176 km
Lenght of the section
The works under the concession involve the improvement of the existing MAR1 highway in Antioquia and the construction of a second carriageway between the Occidente tunnel and Santa Fe de Antioquia.
The challenging topography of the area significantly influences the type of layout carried out, requiring the alignment to connect curves and counter-curves with minimal or near-minimum radii to closely follow the existing terrain morphology.
Location Antioquía, Colombia
Date: 2015-2016
Scope of the project: construction project: improvement of the current road and construction of a new one