The building hosts all functions concerning the technical control and management services of the Rio Antirio Bridge in the Peloponese, Greece. It was adapted to the forms of the bridge construction and is mainly an office building of an area of 2,102 m² connected to the Toll Post by aboveground and underground passage ways.

In addition, large glazed surfaces permit full inspection of the tolls. Special arrangement and construction specifications were implemented for the transport and safeguard of the toll’s vault.