A8 motorway (Greece)

A8 motorway
Αυτοκινητόδρομος 8
Route information
Part of E94 and E65
Maintained by Olympia Odos S.A.
Length180 mi (290 km)
History1962–1973: Constructed as National Road 8A
2008: Eleusis–Corinth section reassigned as A8 motorway
Since 2008: Corinth–Rio section upgraded to dual carriageway standard and completed in 2017
Major junctions
East endEleusis East
Major intersectionsEleusis interchange:
to Athens airport
Corinth interchange:
to Kalamata
West endPyrgos West
Location
CountryGreece
RegionsAttica, Peloponnese, West Greece
Major citiesEleusis, Corinth, Aigio, Patras, Pyrgos
Highway system
  • Highways in Greece

The A8 motorway, also known as the Olympia Odos (Greek: Ολυμπία Οδός), is a toll motorway in southwestern Greece, which connects Athens with Pyrgos and Patras via Corinth, spanning a total of 290 km (180 mi).

The motorway replaces Greek National Road 8A, which has been upgraded to modern motorway standards. The completion date was scheduled for 2014. Since April 2017, the entire motorway from Eleusis to Patras is fully operational. The extension to Pyrgos opened in 2025. The future extension to Tsakona near Kalamata is in the planning stages.