Attiki Odos

Attiki Odos () is a privately owned toll motorway in Greece. The Proastiakos high-speed suburban rail is set almost entirely in the median of the motorway, along its main section. The motorway's numbers are 6 for the main section, 64 for the Hymettus Beltway and 65 for the Aigaleo Beltway. Together they form the outer beltways of the Greater Athens metropolitan area.

History

Construction of the project began in 1996. Part of the motorway was opened along with the Eleftherios Venizelos International Airport to which it connects, in 2001. It started from the Gerakas interchange and led to the airport.



In September 2002, the high-speed railway began construction, within the large median. In early 2003, Attiki Odos was opened from Kifissou Avenue Interchange (also known as National Road 1 / E75 Interchange) to Eleftherios Venizelos Airport; the Hymettus Ring was almost paved by this time, and tunnels were already complete.



On 3 September 2003, the Hymettus Ring opened. This part of the motorway runs in the northern part of Hymettus and became the road to bypass Mesogeion Avenue and link to Kifissou Avenue and its suburbs, and the Airport along with the eastern suburbs of Athens.

On November 2003, the western part opened from the junction with GR-8 to Kifissou Avenue (GR-1/E75). It has seven interchanges in total, and runs through the mountain range of Aigaleo.

On April 2004, a small 2.5 km part opened, connecting the Hymettus Ring to the westbound direction of the main route. The...
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