The project includes the construction of the road section "Koromilia – Kristalopigi, (45.4/5)", length 16.2 km, of the vertical road axis" Siatista – Kristalopigi" (axis 45) of Egnatia odos Highway. The section "Koromilia - Kristalopigi from km. 0+000 to km. 16+200" consists of the subsections: "Koromilia - Ieropigi (45.4)", length 13.5 km and the first part of the section "Ieropigi - Kristalopigi (45.5)" from km.13+500 to 16+200, length 2.7 km. The project includes the construction of the central artery with a dual carriageway with two traffic lanes per direction and an emergency lane with the width of 22.25 m, three road interchanges, twelve major technical projects (6 underpasses, 4 overpasses, 2 bridges), 87 minor technical projects, twin-bore tunnel Ieropigi, length 560m, the construction of side and ancillary road networks, total length of 11 km as well as restorations and links to the local road network with a total length of 15.9 km. Aktor is participating to the Joint Venture scheme for the construction of the project.