Dublin 15 Dublin 15 Dublin 15, also rendered as D15, is a postal district in the suburbs of Dublin in Fingal, Ireland. It is west of the GPO in Dublin city. Dublin 15 covers a large area, rising from the River Liffey to at the townland of "Cloghran" near the "Rosemount Business Park". The district is bordered by County Meath to the west and the north-west and by the "Ratoath Road" to the north-east. The land between the "Ratoath Road / Cappagh Road" and the M2 / N2 road lies in the "Dublin 11" postal district. The townland of Ashtown and the
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