National primary road
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A national primary road is a road classification in Ireland. National primary roads form the major routes between the major urban centres. There are 2649 km of national primary roads. This category of road has the prefix "N" followed by one or two digits. Motorways are prefixed "M" followed by one or two digits.
Naas Road (N7), non-Motorway high-grade dual carriageway.
Sign in Dublin indicating the principal national primary roads fanning out from the capital city.
2+2 section of the N4 (Dromod-Roosky bypass) in County Leitrim.
N11 Exit sign. This route has since been upgraded to motorway status
Local roads in Ireland
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A local road in the Republic of Ireland is a public road not classified as a national primary road, national secondary road, or regional road but nevertheless forming a link in the national network of roads. Local roads are numbered with four- or five-digit route numbers, prefixed by "L".
Sign for local road L8282 at junction with R747 regional road at Lackareagh, County Wicklow.