The Preveza-Aktio Tunnel consists of a 910 m long immersed part and a 660 m long cut and cover part.
The cross section has a free clearance with a width of 10.6 m and a height of 5.4 m includes a 4.0 m side land and a 1.3 m wide pavement in each direction.
The tunnel was opened for traffic in July 2002.
Partner assists together with PENCO the concessionaire TEO-AKTOR JV in their planning of their
operation and maintenance tasks.