| If you are planning on a Irish driving holiday then it
will be helpful to find some information on Ireland’s road network
before you go. If you are visiting Ireland rather than Northern
Ireland then you need to know that there are some significant
differences in the South, particularly the speed limits and the
nature of the sign posts. In the Republic of Ireland, roads are
classified either as Motorways, signified by the letter M and the
route number, or National roads, Regional roads, and local roads,
each signified by their first letter, e.g. N and then the route
number, e.g. a National road might be N5. Before you go away you should arrange your car
rental Dublin is the capital city and most of the motorways are
in and around that area. There are two types of National roads in
the South and these are National primary routes and National
secondary routes. N1 - N11 are the main National Primary Roads from
Dublin; the Dublin to Limerick route is the N7, and the routes that
go across country are N12 - N33. The total of National Primary Roads
in Ireland is estimated at 2,700 kilometres, it is also estimated
that there are the same amount of National Secondary routes in
Southern Ireland alone. The main difference between these two types
of National Roads is that those on the Primary route are dual
carriageway and those on the Secondary are single carriageway. By
far the largest number of routes in the south are the Regional
roads, of which there are 11,500 kilometres. They are prefixed with
the letter R followed by 3 digit numbers.
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