Giovanni XXIII Tunnel
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Giovanni XXIII Tunnel (also called Passante a Nord-Ovest) is a road tunnel in Rome, Italy, that is part of the Tangenziale Est road. Is long about 2,9 km and it's the third longest in-city tunnel of Europe (after the Dublin Port Tunnel at 4.5 km and the Södra länken in Stockholm, also 4.5 km)
The twin Tunnels form a dual carriageway running under the Mount Mario hill, connecting quickly the North-West zone to North-East zone of Rome.
The Tunnel was officially opened on 22 December, 2004.
