The Aithra Tunnel () is a

tunnel A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ve ...

on the

Athens Athens ( ) is the Capital city, capital and List of cities and towns in Greece, largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica (region), Attica region and is the southe ...

Corinth Corinth ( ; , ) is a municipality in Corinthia in Greece. The successor to the ancient Corinth, ancient city of Corinth, it is a former municipality in Corinthia, Peloponnese (region), Peloponnese, which is located in south-central Greece. Sin ...

section of the A8 motorway. Works began in 1999 as part of the construction of the

Kakia Skala Kakia (, ) is the Greek goddess of vice and moral badness (presumably, sin or crime). She was depicted as a vain and heavily made-up woman dressed in revealing clothes, and was presented as the opposite of Arete, goddess of excellence and virtue. ...

pass, one of the most dangerous road parts in

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...

, with motorway standards. It was one of the first tunnels of the A8 and it is currently the second longest tunnel of it. It was opened to traffic in July 2004, along with the rest of the motorway segment, in time for the Athens Olympics.

References

Attica Road tunnels in Greece Tunnels completed in 2004 Transport in Greece 2004 establishments in Greece {{Greece-road-stub