Greek National Road 3

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National Road 3 shield

National Road 3
Εθνική Οδός 3
Major junctions
South endEleusis
North endNorth Macedonian border at Niki
Regions:Attica, Central Greece, Thessaly, West Macedonia
Major citiesEleusis, Thebes, Lamia, Larissa, Kozani, Florina
Highway system
National Roads in Greece

Greek National Road 3 (Greek: Εθνική Οδός 3, abbreviated as EO3) is a single carriageway road in Greece. It connects Eleusis near Athens with the border of North Macedonia at Niki. It passes through Larissa and Florina. At Niki, it connects with the M5K motorway to Bitola. Greek National Road 3 is one of the longest highways in Greece and until the 1960s it served as the main route from Larissa to Thessaloniki. The new A1 motorway now offers a faster connection to Thessaloniki. Most of the EO3, except the southernmost section between Eleusis and Bralos, is part of the E65.

Future developments[edit]

Throughout the late 1980s, motorway bypasses were constructed at the towns of Tyrnavos and Elassonas, but in 2002 plans surfaced to convert all of the road into a new motorway, from Larissa to Kozani and further on to Bitola, in North Macedonia. Throughout the 2000s motorway sections were delivered to the public and are running north of Larissa and north of Kozani, up to Ptolemaida. Remaining parts have either fallen through, as no construction works are currently being undertaken and no further announcements have been delivered by the government.


The highway passes through and along the following places:

Coordinates: 39°20′21″N 22°23′39″E / 39.3391°N 22.3943°E / 39.3391; 22.3943