Greek motorists will pay 3 euros from the current 2.80, after Attiki Odos announced a 20 cent hike in the toll rates, as part of a two-phase hike in the fees.
The new price will take effect from July 1, according to the announcement.
The company announced that the rates would be increased a further 30 cents from next summer putting the toll fee for drivers at 3.30 euros.