"Τεχνικό Αντικείμενο (Νομός Κέρκυρας)"[Technical Subject (Corfu Prefecture)](PDF). Egnatia Odos S.A. (in Greek). Thessaloniki. 14 June 2011. p.31. Archived from the original(PDF) on 30 October 2025. Retrieved 30 October 2025.
"Relation: National Road 25". OpenStreetMap. Cambridge: OpenStreetMap Foundation. Retrieved 16 May 2026. One-way segments count as half the total distance and link roads are not counted.
"Τεχνικό Αντικείμενο (Νομός Κέρκυρας)"[Technical Subject (Corfu Prefecture)](PDF). Egnatia Odos S.A. (in Greek). Thessaloniki. 14 June 2011. p.31. Archived from the original(PDF) on 30 October 2025. Retrieved 30 October 2025.