Also, as part of the construction deal, 24/7 patrols, worksite protection, timely detection and response to incidents, and special services in the winter, are included.

During the construction phase, routine maintenance and work for all parts of the infrastructure of the existing National roads were conducted.

As of 2023[update], there are 5 front, two-sided toll stations on the A8: at Eleusis, the Isthmus, Zevgolateio, Elaionas[5] and Rio.

There are service areas in Nea Peramos, Megara, Isthmus, Kiato, Akrata and Aigio.

[6] On September 2, 2016, the first fully completed Olympia Odos segment, the section between Ancient Corinth and Kiato (20 km with 2 lanes in each direction + emergency lane and two interchanges in Zevgolatio and Kiato), was officially opened to traffic, with the presence of the Greek Prime Minister, Alexis Tsipras.