Northern Ireland

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Mapping projects in the United Kingdom by countryEngland · Northern Ireland · Scotland · Wales
Browse Northern Ireland map

Zoom level : 8
Latitude : 54.5
Longitude : -6.94

Northern Ireland is part of the United Kingdom. There is a separate page for the country called Ireland.


OSMUK logo.svg

For geographically pragmatic reasons, Northern Ireland has the unique status of being covered by not one, but two Local Chapters. Mappers are invited to interact with both, either, or neither depending on their personal views or preferences.

At the national level OSMUK ( is a non-profit company and registered Local Chapter of the OpenStreetMap Foundation. OSMUK's roles are to act as a focus for community, be a financial entity, give the community representation at national level infrastructure meetings, run regional events, and provide advice and assistance to organisations and companies wishing to add to or use OpenStreetMap. They maintain a Talent Directory for professional and voluntary service providers.

OpenStreetMap Ireland as an entity, provides an advocate voice for the OpenStreetMap project on the 'island of Ireland', in relation to interacting with other Open initiatives. They run meetups and events open to mappers from both Ireland and Northern Ireland. web site has more details.

Northern Ireland matters are often discussed on the Talk-IE mailing list (historic archive).

There is an active online United Kingdom community participating in the Talk-GB mailing list (historic archive).

Administration Areas

Under Northern Ireland Local Government Reform council boundaries have changed (part of the reduction in the number of councils from 26 to 11).

No council administrative boundary relations (admin_level = 8) are present in OpenStreetMap for either old or new councils. Openly licensed shapefiles are available from OSNI. Many of these boundaries will be similar to those of townlands.

Cities, Towns and Villages

This is a list of Northern Ireland's 50 most populous settlements as measured by NISRA in the 2001 census. Hopefully this can provide a useful starting point for people looking for areas to contribute. Feel free to add another area/town if you feel it has not been included below.

Name District/Council Current State Future Improvements
Belfast - City Centre Belfast OK Lots of street names missing.
Belfast - North Belfast OK Lots of street names missing.
Belfast - South Belfast OK Lots of street names missing.
Belfast - East Belfast Good A few street names missing.
Belfast - West Belfast OK Lots of street names missing.
Derry Derry OK Some street names missing, Postcodes needed,
Lisburn Lisburn
Newtownabbey Newtownabbey
Bangor North Down Excellent
Craigavon Craigavon INCOMPLETE
Roads almost complete
Post codes needed
Castlereagh Castlereagh
Ballymena Ballymena
Newtownards Ards
Newry Newry and Mourne
Carrickfergus Carrickfergus
Coleraine Coleraine
Antrim Antrim
Omagh Omagh
Larne Larne
Banbridge Banbridge Good State - Some street names missing
Armagh Armagh
Enniskillen Fermanagh
Strabane Strabane
Limavady Limavady
Holywood North Down
Dungannon Dungannon
Cookstown Cookstown
Downpatrick Down
Ballymoney Ballymoney
Comber Ards
Ballyclare Newtownabbey
Magherafelt Magherafelt
Portstewart Coleraine
Newcastle Down
Warrenpoint Newry and Mourne
Carryduff Castlereagh
Donaghadee Ards
Portrush Coleraine
Kilkeel Newry and Mourne
Ballynahinch Down
Ballycastle Moyle
Greenisland Carrickfergus
Dromore Banbridge
Randalstown Antrim
Coalisland Dungannon
Crumlin Antrim
Maghera Magherafelt
Whitehead Carrickfergus
Moira Lisburn Almost complete
Being mapped on 07/05/2012 by cwilkinson1998
Hillsborough Lisburn
Eglinton Derry
Ahoghill Ballymena
Tandragee Armagh
Dungiven Limavady
Lurgan Craigavon COMPLETE, Very Good State
95% Complete
POIs Missing, Postal Codes
Waringstown Craigavon Very good state, COMPLETE
98% Complete, a few post codes are needed


Trunk Roads

Unlike their GB equivalents, NI's trunk roads are numbered. Although these numbers don't appear on signage, they are used in legislation and other government documents (e.g. notification of roadworks) to refer to the roads.

T1-T10 were first created in 1949. In 1998 T10 was extended, and the remainder created.

Sites like Google Maps tend not to treat many of these as trunk at all (e.g. T12), and to colour numerous other A roads as if they were trunk, however there are various non-trunk roads signed with green signs (eg A11, bypassed trunk roads).

Number Road Description Mapped?
T1 M3/A2 Belfast - Holywood Yes
A2 Holywood - Bangor Yes
T2 A24 Belfast - Carryduff Yes
A24 Carryduff - Newcastle Yes
T3 A12/M1 Belfast - Dungannon ?
A4 Dungannon - Ballygawley ?
A5 Ballygawley - Omagh ?
A5 Omagh - L/Derry ?
T4 A1 Belfast - Lisburn ? is this part of the trunk road?
A1 Lisburn - Banbridge ?
A1 Banbridge - Newry ?
A1 Newry - border ?
T5 M12/A3 Portadown - Armagh ?
T6 A5 N2 border (south of Ballygawley) - Ballygawley ?
A4 Ballygawley - Enniskillen ?
A4 Enniskillen - border (Belcoo) ?
T7 M2 Belfast - Antrim ?
A26/M2/A26 Antrim - Coleraine ?
A37/A2 Coleraine - L/Derry ?
T8 A3/A26 Moira - Antrim ?
M22/A6 Antrim - Castledawson ?
A31 Castledawson - Cookstown ?
T9 A8 Belfast - Larne ?
T10 A509 Border - Enniskillen Yes
A32 Enniskillen - Omagh Yes
A505 Omagh - Cookstown Yes
T11 A20 Belfast - Newtownards Yes
T12 A22 Dundonald - Comber Yes
A21 Comber - Newtownards Yes
T13 A7 Carryduff - Downpatrick Yes
T14 A55 Belfast Outer Ring (M1 to A2) Yes
T15 A28 Newry - Armagh ?
A29 Armagh - Dungannon ?
A29 Dungannon - Cookstown ?
A29 Cookstown - Coleraine ?
T16 A27 Newry - Portadown ?
T17 A6 Castledawson - Dungiven ?
A6 Dungiven - L/Derry ?
T18 A44 Clogh Mills (A26) - Ballycastle ?
T19 A36 Ballymena - Kilwaughter (A8) ?
T20 A57 Belfast Intl Airport - Templepatrick Yes
A57 Templepatrick - Ballyclare Yes
A57 Ballyclare - Ballynure (A8) Yes
T21 M5/A2 Greencastle - Carrickfergus ?
T22 A514/A515 L/Derry Ring Road Yes
T23 A46 Enniskillen - Belleek Yes

'A' roads

External Lists

'B' roads

'C' roads

highway=tertiary ref=C436 name=Inishmore Road

Roads which have a name and a C number and listed on schedules of works by the Roads Service. They are usually named after a townland in which the road intersects.

'U' roads

highway=unclassified ref=U9428 name=Derryharney Road

Roads which are maintained by the Roads Service. They will have a name and a U number and listed on schedules of works by the Roads Service. They are usually named after a townland in which the road intersects. These roads are very important as they usually make up the address of rural properties.

Other non-Roads Service roads

Some roads in rural areas are access to private land and maintained by the land owner, these should be tagged highway=residential with the appropriate access tags. Another type of road in rural areas is highway=service used for roads or lane ways into areas which may not be residential. Then there is highway=track for agricultural or forestry uses.

External Lists


Line Tracks Stations Status
Belfast - Bangor 100% 100% Completed
Coleraine - Portrush 100% 100% Completed
Belfast - Newry 100% 100% Completed
Belfast - Londonderry 100% 100% Completed
Belfast - Larne 100% 100% Completed

People Involved

See also