Map of national roads and motorways in <a href="https://en.wikipedia.org/wiki/Republic_of_Ireland" class="extiw" title="en:Republic of Ireland">Ireland</a>, with Nxx routes in green and Mxx routes in blue
<a href="//commons.wikimedia.org/wiki/User:Sswonk" title="User:Sswonk">Sswonk</a>
CC BY-SA 3.0
I (<a href="https://en.wikipedia.org/wiki/User:Sswonk" class="extiw" title="en:User:Sswonk">Sswonk</a> (<a href="https://en.wikipedia.org/wiki/User_talk:Sswonk" class="extiw" title="en:User talk:Sswonk">talk</a>)) created this work entirely by myself, using <a href="https://en.wikipedia.org/wiki/Inkscape" class="extiw" title="en:Inkscape">Inkscape</a> and data from <a rel="nofollow" class="external free" href="https://www.openstreetmap.org/?lat=53.41&amp;lon=-7.7&amp;zoom=7&amp;layers=B000FTF">http://www.openstreetmap.org/?lat=53.41&amp;lon=-7.7&amp;zoom=7&amp;layers=B000FTF</a> which was released under <a rel="nofollow" class="external free" href="https://creativecommons.org/licenses/by-sa/2.0/">https://creativecommons.org/licenses/by-sa/2.0/</a>.