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Greek National Road 4a 
Summary
Greek National Road 4a (Greek: Εθνική Οδός 4a, abbreviated as EO4a) is a dual carriageway road in northern Greece. It connects Veria with Skydra, passing through Naoussa.
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|---|---|
| Εθνική Οδός 4α | |
| Major junctions | |
| South end | Veria |
| North end | Skydra |
| Location | |
| Country | Greece |
| Regions | Central Macedonia |
| Major cities | Veria, Naoussa, Skydra |
| Highway system | |
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