Wikipedia: Attiki Odos (Greek: Αττική Οδός) is a private-owned toll motorway in Greece. The Proastiakos high-speed suburban rail is almost entirely in the median through the main section. Its numbers are 6 for the main section, 64 for Imittos Ring and 65 for Aigaleo Ring. They are the outer ring roads of Greater Athens metropolitan area. more...