Construction of PATHE motorway in section Ag. Constantinos - Knimida Tunnel Exit at a length of 11,3km. The scope of contract work included: Construction of two twin tunnels of approx. 700 and 2,500m length, respectively. Construction of two interchanges. Complete construction of the road, namely: earthworks, road surfacing, asphalt works, technical structures (12 bridges, 31 box culverts, tube-reinforced soils and shoring works), tunnels and tunnel service buildings, sewage and drainage works, signaling - safety works, tunnel E/M works, junction and tunnel face electrical lighting as well as green works on the road traffic island, on slopes, tunnel faces and other motorway areas.