– The contracting authority is the Public Infrastructure Management Company of Andalusia, Giasa.

The A-381 Jerez de la Frontera – Los Barrios motorway crosses the Los Alcornocales Natural Park. For its execution, Sando Construcción has applied a methodology and technical criteria incorporating the environmental variable as a structural and decision-making element of the first order. During its construction, management procedures that incorporate environmental quality as one of the priority objectives have been adopted.

Technical characteristics of the A-381 Jerez de la Frontera – Los Barrios dual carriageway

The section consists of 10,733 metres of trunk, of which more than 1,500 are distributed in 8 viaducts, 580 in two false tunnels and a total of 35 transversal drainage works, 4 channelling works, 6 subways, 5 reinforced earth walls and 2 overpasses. Sando has used high-capacity road construction machinery for its construction. A total of 10,983,464 kg of steel bars were used, and 1,884,672.79 m³ were excavated.