Northside, Dublin districts, such as Oxmantown, no longer exist. Beyond the centre, areas of the Northside include the below, most (at least two names were invented in the 1960s) of the names being of long heritage, though until recently many were rural townlands. Some are distinct suburbs or villages, others are parts of larger areas: The 'area' is administered both by Dublin City Council (formerly Dublin Corporation) and Fingal County Council, responsible for 84% and 16% of the land area which lies inside the M50 motorway and north of the river Liffey respectively (excluding the Howth peninsula). In general, Dublin postal districts
Dublin Port Tunnel Dublin Port Tunnel The Dublin Tunnel (Irish: "Tollán Bhaile Átha Cliath"), originally and still commonly known as the Dublin Port Tunnel, is a road traffic tunnel in Dublin, Ireland, that forms part of the M50 motorway. The twin tunnels form a two-lane dual carriageway connecting Dublin Port, which lies to the east of central Dublin, and the M50 motorway at junction 2, close to Dublin Airport. The tunnels are in length and total project length of . It had final cost of approximately €752 million. The tunnel was officially opened on 20 December 2006; it was initially only open to