Dublin City Council : Traffic Section
Many aspects including orbital junction lists.
Dublin Port Tunnel
Information on the construction of the new tunnel to the port of Dublin.
Martyn's Mix - Euroroutes
A list of the European-numbered routes in Great Britain and Ireland. Includes links to maps of each.
N2: Finglas (M50) to Ashbourne
Official site for the upgraded routing of part of National route 2 from the Dublin area northward. Site includes overview, maps (including interchange diagrams), and news.
The Northern Motorway
Projected new motorway from Dublin to the border.