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The main roads in Northern Ireland are signed "M"/"A"/"B" as in Great Britain. Whereas the roads in Great Britain are numbered according to a zonal system, there is no available explanation for the allocation of road numbers in Northern Ireland,[1] though their numbering is separate from the system in England, Scotland and Wales.
In Northern Ireland, DfI Roads is responsible for all 25,792 kilometres (16,026 mi) of roads.[2] Road users also have the Highway Code for Northern Ireland, which provides guidance on the legal aspects of driving on Northern Ireland's roads.[3]
- ^ "Northern Ireland Assembly – WRITTEN ANSWERS Friday 15 December 2000". Archived from the original on 23 December 2008. Retrieved 19 November 2007.
- ^ "Northern Ireland Transport Statistics 2020-2021" (PDF). Northern Ireland Statistics and Research Agency. Archived from the original (PDF) on 15 April 2022. Retrieved 10 May 2023.
- ^ "Highway Code for Northern Ireland". Department of Environment. Archived from the original on 3 January 2007. Retrieved 30 March 2010.