Attiki Odos is a highway system in Greece, in the region of Attica. It is the peripheral ring of the wider metropolitan area of Athens and the backbone of the road network of Attica.
Attiki Odos S.A. is the joint venture for the design and construction of the project, while Attica Routes SA is the operating, maintenance and exploitation company of the highway.

EGNATIA ODOS SA
The modern Egnatia Road was built near National Road 2 which it replaced for the most part in the section
