The “Siatista – Kristallopigi” corridor connects the Egnatia Road with the Albanian Border in Kristallopigi (approx 64 km.). The design had two phases: The first phase included feasibility study and reconnaissance highway – geological – environmental study. The second phase after the finalisation of the corridor included prefinal highway design for the 64 km axis. Type of the road: “Expressway” – Design Speed: 100-120 km/h.