| Road |
From |
To |
Route |
| B1 |
B176 Downpatrick |
A2 at Ardglass |
Ardglass Road/Downpatrick Road |
| B2 |
A3 at Portadown |
|
via Derrytrasna, Derryadd and Derrymacash to Lurgan, then:
|
| B3 |
Border (continuing R214 from N2 Castleshane) |
|
via Derrynoose, Keady, Tassagh, Markethill, Tandragee, multiplexes with A51 to Gilford, then:
|
| B4 |
A35 at Kesh |
A505 at Cookstown |
via Ederney, Lack, multiplexes with A32 to Omagh, Drumnakilly, Carrickmore and Pomeroy |
| B5 |
A20 at Greyabbey |
A2 at Ballywalter |
- |
| B6 |
A49 near Lisburn |
A22 at Killyleagh |
via Saintfield, Darragh Cross, Raffrey, Derryboy and Shrigley |
| B7 |
A2 at Warrenpoint |
B6 at Shrigley |
via Burren, Mayobridge, Rathfriland, Ballyroney, Moneyslane, Lowtown, Finnis, Dromara, Ballynahinch, Listooder and Crossgar |
| B8 |
A25 near Newry |
A25 near Kilcoo |
via Mayobridge and Hilltown |
| B9 |
A26 near Waringstown |
A3 at Magheralin |
via Donaghcloney |
| B10 |
B3 at Scarva |
A25 at Rathfriland |
via Banbridge and Annaclone |
| B12 |
A52 at Crumlin |
A3 at Lurgan |
via Glenavy, Lower Ballinderry, Aghalee and Aghagallon |
| B14 |
A43 near Cargan |
A2 at Cushendall |
via Tully |
| B15 |
B16 near Ballymoney |
A2 near Ballintoy |
via Armoy, Ballycastle, Carnduff and Ballintoy |
| B16 |
B66 at Ballymoney |
A44 near The Drones |
via Dunaghy and Kilraghts |
| B17 |
A29 at Coleraine |
A2 near Ballycastle |
via Revallagh and Bushmills |
| B18 |
B73 at Coagh |
A532 at Ballymena |
via Moneymore, Loup, Drumenagh, Ballyronan, Toome, Moneyglass and Whiteside's Corner |
| B20 |
A2 at Craigavad |
B21 at Bangor |
via Crawfordsburn |
| B21 |
B20 at Bangor |
A48 at Donaghadee |
Donaghadee Road/High Bangor Road |
| B23 |
A49 at Lisburn |
A1 Dublin Road, Belfast |
via Hillhall, Ballycarn and Ballylesson; Malone Road |
| B25 |
A1 near Dromore |
A2 at Rostrevor |
via Katesbridge, Rathfriland and Hilltown |
| B27 |
B8 at Hilltown |
A2 at Kilkeel |
- |
| B28 |
A29 at Charlemont |
A50 at Portadown |
via Ardress and Drumharriff; Garvaghy Road |
| B30 |
A25 near Camlough |
Border (continues as R179 to Kingscourt) |
via Lislea, Silverbridge, Creggan, Crossmaglen and Cullaville |
| B31 |
A29 at Armagh |
A29 at Newtownhamilton |
via Lisnadill |
| B32 |
B3 at Keady |
Border (continues as R181 to R178 Shercock) |
Castleblayney Road via Carnagh |
| B34 |
A29 at Dungannon |
B106 at Laghey Corner |
Killyman Road |
| B35 |
A45 at Granville |
A28 at Aughnacloy |
via Carnteel and Greystone |
| B36 |
A34 at Donagh |
Border (continues as R187 to N54 at Monaghan) |
via Rosslea |
| B38 |
B12 at Glenavy |
A20 at Belfast (Great Victoria Street) |
via Hannahstown; Upper Springfield Road/Springfield Road/Grosvenor Road, Belfast |
| B39 |
A26 at Antrim |
Royal Avenue, Belfast |
via Loanends (Seven Mile Straight); Woodvale Road/Shankill Road/Peter's Hill/North Street, Belfast |
| B40 |
B74 at Feeny |
A31 at Magherafelt |
via Moneyneany, Draperstown and Desertmartin |
| B41 |
B40 at Draperstown |
A29 at Tobermore |
Tobermore Road and Tobermore Main Street |
| B42 |
A6 near Maghera |
B40 at Magherafelt |
via Lisnamuck and Tobermore |
| B43 |
B4 at Pomeroy |
A45 at Dungannon |
via Donaghmore and Aghareaney |
| B44 |
B40 at Feeny |
B74 near Feeny |
Altinure Road |
| B45 |
A45 at Dungannon |
Border (continues as R185 to N12 near Monaghan) |
via Eglish and Caledon |
| B46 |
A5 at Newtownstewart |
A32 at Enniskillen |
via Gortin, Rousky, Creggan, Carrickmore, Sixmilecross, Beragh, Seskinore, Fintona, Dromore Trillick, Kilskeery and Ballinamallard |
| B47 |
B46 at Newtownstewart |
B40 at Draperstown |
via Plumbridge, Cranagh, Sperrin and Straw |
| B48 |
A5 at Newbuildings |
A5 at Omagh |
via Donemana, Ballynamallaght, Plumbridge and Gortin |
| B49 |
A5 at Strabane and Ballymagorry |
B74 at Claudy |
via Artigarvan, Donemana and Ballyneaner |
| B50 |
A5 at Omagh |
B72 Castlederg |
via Drumquin |
| B52 (Co. Antrim) |
A42 at Portglenone |
A6 at Randalstown |
via Chesney's Corner |
| B52 (Co. Fermanagh) |
A46 at Belleek |
A4 at Belcoo |
via Drumlisaleen, Garrison and Holywell |
| B53 (Co. Antrim) |
A6 at Randalstown |
A36 at Moorfields |
via Kells and Moorfields |
| B53 (Co. Fermanagh) |
B52 at Garrison |
Border (becomes R282 to Manorhamilton) |
- |
| B56 |
A57 near Ballyclare |
A8 at Corr's Corner Roundabout |
via Ballypalady |
| B58 |
A8 at Ballynure |
A2 at Carrickfergus |
Carrickfergus Road/New Line Road/Prospect Road |
| B59 |
A36 at Ballymena |
A8 at Mossley |
via Doagh and Ballypalady |
| B62 |
A2 at Portrush |
A26 at Ballymena |
via Ballybogy, Ballymoney, Finvoy, Rasharkin and Cullybackey |
| B64 |
A6 at Dungiven |
A43 at Martinstown |
via Brockagh, Garvagh, Kilrea, McLaughlin's Corner, Rasharkin, Glenvale, Glarryford, Clogh and Newtowncrommelin |
| B66 |
A37 at Limavady |
A2 at Bushmills |
via Ringsend, Aghadowey, Agivey, Bendooragh, Milltown, Ballymoney, Dervock, Derrykeighan and Castlecat |
| B67 |
A29 at Coleraine |
A44 at Ballycastle |
via Ballybogy, Derrykeighan, Toberdoney, Moss-Side and The Dry Arch |
| B68 |
B69 at Limavady |
A6 at Dungiven |
via Scriggan |
| B69 |
B74 at Claudy |
A2 near Bellarena |
via Crindle |
| B70 |
B66 at Ringsend |
B62 near Rasharkin |
via Ballerin; multiplexes with B64 from Garvagh to McLaughlin's Corner |
| B72 |
A5 at Strabane |
B82 near Killadeas |
via Victoria Bridge, Erganagh, Castlederg, Castlegore, Killen and Ederney |
| B73 |
A29 at Cookstown |
Lough Neagh at Moortown |
via Drummullan and Coagh |
| B74 |
A6 near Claudy |
A6 at Dungiven |
via Claudy, Craigdarragh and Feeny |
| B75 |
A29 near Maghera |
B64 at Kilrea |
via Upperlands |
| B77 (Co. Armagh) |
A29 at Armagh |
A4 at Portadown |
via Loughgall |
| B77 (Co. Down) |
A1 at Hillsborough |
A49 at Ballynahinch |
via Annahilt |
| B78 |
A50 at Portadown |
A29 at Newtownhamilton |
via Teemore, Mullaghbrack, Markethill and Clady Milltown |
| B79 |
Bridge Street, Newry |
Merchant's Quay, Newry |
Dominic Street/Patrick Street/Upper Edward Street/Corry Square |
| B80 |
A4 at Enniskillen |
B46 at Fintona |
via Garvary, Tempo and Imeroo |
| B81 |
A46 near Derrygonnelly |
A4 near Enniskillen |
via Derrygonnelly and Monea |
| B82 |
A35 at Kesh |
A32 at Enniskillen |
via Lisnarick, Killadeas, Tullvavy and Trory |
| B83 |
A5 at Omagh |
Border (continues as R186 to N54 Monaghan) |
via Seskinore, Eskra and Clogher |
| B84 |
A5 at Newtownstewart |
A32 at Dromore |
via Drumquin and Milltown |
| B85 |
B165 at Clady |
B72 at Strabane |
Urney Road |
| B86 |
B66 at Dervock |
B67 at Toberdoney |
Toberdoney Road |
| B88 |
North Queen Street, Belfast |
York Street, Belfast |
Frederick Street |
| B90 |
A8 at Mossley |
near Ballylumford |
via Greenisland, Ballycarry and Ballylumford |
| B92 |
A2 Loughareema Road |
A2 Tromra Road |
via Cushendun |
| B93 |
B52 at Randalstown |
A26 at Cloughmills |
via Whiteside's Corner, Ahoghill, Cullybackey, Craigs and Glarryford |
| B94 |
A26 at Cloughmills |
B95 at Ballyclare |
via Cloughmills, Clogh, McGregor's Corner, Quarrytown, Broughshane and Five Corners |
| B95 |
B518 at Antrim |
- North spur: M2 Junction 6
- South spur: A8 near Mossley
- East spur: B58 near Straid
|
via Parkgate, Doagh and Straid |
| B96 |
B64 at Rasharkin |
B93 at Cullybackey |
via Aughnacleagh, Portglenone and Dreen |
| B97 |
A42 at The Sheddings |
A2 at Glenarm |
Munie Road/Straidkelly Road |
| B98 |
A26 near Ballymena |
B59 at Chapeltown |
via Kells, Connor |
| B99 |
B58 near Straid |
A2 at Glynn |
via Ballynure |
| B100 |
B99 near Glenoe |
A8 at Kilwaughter |
Ballyrickard Road |
| B101 |
A26 Nutts Corner Roundabout |
A30 Lisburn |
via Dundrod and Hillview |
| B102 |
A512 at Derriaghy |
A501 Falls Road, Belfast |
Stewartstown Road/Andersonstown Road/Falls Road |
| B103 |
A1 at Lambeg |
B23 at Drumbeg |
Ballyskeagh Road |
| B104 |
B12 at Lower Ballinderry |
A3 Moira Road, Lisburn |
via Upper Ballinderry and Ballymave |
| B105 |
B12 at Aghalee |
A3 at Moira |
Soldierstown Road/Station Road |
| B106 |
B128 at Benburb |
- North spur: A45 at Coalisland
- South spur: B196 at Tamnamore
|
via Moy, Laghey Corner and Kingave |
| B107 |
B80 near Tempo |
A4 at Fivemiletown |
via Clabby |
| B108 |
A32 Swanlinbar Road |
A509 Derrylin Road |
via Kinawley |
| B111 |
B77 at Loughgall |
A51 at Hamiltonsbawn |
via Richhill |
| B112 |
B133 Millvale Road |
A25 Camlough Road |
through Bessbrook |
| B113 |
B134 at Forkhill |
A1 at Newry |
via Drumintee and Meigh |
| B114 |
B3 near Markethill |
A27 at Poyntzpass |
Tannyoky Road via Eleven Lane Ends and Loughgilly |
| B115 |
B45 near Benburb |
A29 Railway Street, Armagh |
Battleford Road |
| B118 |
A6 near Drumahoe |
A2 near Eglinton |
via Eglinton |
| B122 |
B83 near Omagh |
A4 at Fivemiletown |
via Fintona |
| B123 |
A32 at Irvinestown |
B46 at Kilskeery |
Old Junction Road |
| B126 |
A501 Divis Street, Belfast |
A2 York Road, Belfast |
Millfield/Carrick Hill/North Queen Street |
| B127 |
A34 at Lisnaskea |
Border (continues as R205 to R199 near Newtowngore) |
- |
| B128 |
A5 at Aughnacloy |
A29 near Allistragh |
via Benburb and Blackwatertown |
| B130 |
B45 at Greystone |
B128 at Benburb |
Derryfubble Road |
| B131 |
B106 at Tamnamore |
B3 near Clare |
via Kilmore, Richhill and Milltown |
| B132 |
A3 near Middletown |
A29 at Keady |
Madden Road |
| B133 |
A28 at Markethill |
A25 at Bessbrook |
via Mountnorris |
| B134 |
B78 near Markethill |
B113 at Forkhill |
via Whitecross, Lislea and Mullaghbawn |
| B135 |
A29 near Newtownhamilton |
B30 at Crossmaglen |
via Cullyhanna |
| B136 |
A47 near Boa Island |
Border (continues to R232 at Pettigo) |
- |
| B140 |
B80 near Tempo |
B514 at Ballindarragh |
via Lisbellaw |
| B143 |
A34 at Newtownbutler |
B36 at Rosslea |
via Magheraveely; crosses Border? |
| B145 |
A2 near Portballintrae |
A2 near Bushmills |
through Portballintrae |
| B147 |
B62 at Ballymoney |
A2 near Bushmills |
via Kirkhills, Stranocum, The Dry Arch and Lagavara; and Causeway Road via Dunseverick |
| B148 |
A8 near Larne |
A2 at Drumnagreagh Port |
via Carncastle |
| B149 |
A2 at Kilroot |
B99 Glenoe |
via Beltoy |
| B150 |
A2 at Whitehead |
B90 at Mullaghboy |
via Ballystrudder |
| B154 |
A52 near Dundrod |
B38 near Hannahstown |
via Dundrod |
| B156 |
B12 at Aghagallon |
B12 at Glenavy |
via Gawley's Gate |
| B158 |
B4 at Omagh |
B46 at Beragh |
Donaghanie Road |
| B160 |
B4 at Pomeroy |
A31 at Magherafelt |
via Stewartstown, Coagh, Ballinderry and Ballyronan |
| B161 |
B520 at Coalisland |
B160 at Derrycrin |
via Killeen, Mourne View and The Diamond |
| B162 |
B40 near Moneyneany |
A29 at Cookstown |
via Labby and Churchtown |
| B164 |
B72 near Spamount |
B164 at Newtownstewart |
via Ardstraw |
| B165 |
B85 at Clady |
A5 at Newtownstewart |
via Kennystown, Victoria Bridge and Douglas Bridge |
| B170 |
B505 in Belfast |
A2 at Bangor |
Belmont Road/Ballymiscaw Road/Whinney Hill/Craigantlet Road/Ballysallagh Road |
| B172 |
A48 at Newtownards |
A2 at Millisle |
Movilla Road/Ballyblack Road East/Moss Road |
| B173 |
A20 at Kircubbin |
A2 at Cloghy |
via Rubane |
| B175 |
A24 at Ballynahinch |
A25 at Annsborough |
via Spa and Drumaroad |
| B176 |
A25 at Downpatrick |
A2 to Killough |
via Ballygilbert |
| B178 |
B77 at Hillsborough |
A21 near Comber |
via Carryduff and Moneyrea |
| B180 |
B27 at Hilltown |
|
via Bryansford |
| B181 |
B160 near Magherafelt |
Coagh |
via The Loup |
| B182 |
A42 at Gulladuff |
A6 near Toome |
via Bellaghy |
| B185 |
A2 at Portstewart |
A29 at Coleraine |
Cromore Road, via University of Ulster at Coleraine |
| B186 (Co. L'derry) |
A37 at Macosquin |
B66 at Ringsend |
Cashel Road |
| B186 (Co. Tyrone) |
B122 at Fintona |
A4 at Clogher |
Aghafad Road/Fintona Road |
| B188 |
B66 at Aghadowey |
B207 at Aghadowey |
Ballygawley Road |
| B190 |
B70 at Ringsend |
B64 at Garvagh |
Belraugh Road |
| B192 |
B69 at Limavady |
A6 at Dungiven |
Drumrane Road |
| B194 |
A2 Buncrana Road, Derry |
B521 Glengalliagh Park, Derry |
Racecourse Road |
| B196 |
B106 at Tamnamore |
M1 Junction 12 |
via Mullenakill, Maghery and The Birches |
| B197 |
A2 Main Street, Bangor |
B20 Ballyholme Road, Bangor |
Hamilton Road |
| B198 |
A2 Belfast Road, Holywood |
A2 Bangor Road, Holywood |
Holywood High Street |
| B201 |
A2 near Limavady |
A29 at Coleraine |
Windyhill Road, Carthall Road |
| B205 |
B23 Ballylesson Road, Drumbeg |
B23/A55 Milltown Road |
Purbysburn Hill/Hospital Road |
| B207 |
A29 at Ballylintagh |
A54 at Agivey |
Moneybrannon Road/Mullaghinch Road |
| B210 |
A28 at Caledon |
A3 at Middletown |
Coolkill Road |
| B501 |
A55 North Circular Road, Belfast |
A2 York Road, Belfast |
Cavehill Road/Limestone Road |
| B502 |
A55 Ballysillan Road, Belfast |
A52 Crumlin Road, Belfast |
Oldpark Road |
| B503 |
B126 Millfield, Belfast |
A1 Lisburn Road, Belfast |
College Avenue/Durham Street/Sandy Row |
| B505 |
A23 Castlereagh Road, Belfast |
A20 Upper Newtownards Road, Belfast |
Beersbridge Road/Holywood Road |
| B506 |
A23 Short Strand, Belfast |
A24 Ormeau Road, Belfast |
Short Strand/Ravenhill Road |
| B507 |
A2 Branch Roundabout, Derry |
A2 Carlisle Circus, Derry |
Branch Road/Northland Road/Francis Street/Fahan Road/Lecky Road/Barrack Street/Abercorn Road |
| B511 |
A2 East Circular Road, Groomsport |
A2 Donaghadee Road, Groomsport |
Bangor Road |
| B513 |
A6 Antrim Road, Whitehouse |
A2 Shore Road, Whiteabbey |
O'Neill Road/Station Road |
| B514 |
A4 at Tamlaght |
A34 at Lisnaskea |
via Carry Bridge and Drumbughas North |
| B517 |
A29 Moy Road, Moygashel |
B34 Killyman Road, Laghey Corner |
Derrycreevy Lane |
| B518 |
A26 Ballymena Road, Antrim |
A6 Belfast Road, Antrim |
Stiles Way/Ballycraigy Road |
| B520 |
A29 at Cookstown |
A45 at Coalisland |
via Tullyhogue and Stewartstown |
| B521 |
A2 Branch Roundabout, Derry |
A515 Madam's Bank Road, Derry |
Glengalliagh Road |
| B523 |
A2 Limavady Road, Derry |
A6 Glendermott Road, Derry |
Clooney Terrace/Simpson's Brae and Irish Street/Belt Road |
| B524 |
B507 Northland Road, Derry |
A2 Buncrana Road, Derry |
Lone Moor Road/Infirmary Road/Clarendon Street |
| B525 |
B507 Northland Road, Derry |
A2 Buncrana Road, Derry |
Duncreggan Road/Pennyburn Pass |
| B526 |
B194 Racecourse Road, Derry |
A2 Culmore Road, Derry |
Greenhaw Road |
| B527 |
B507 Northland Road, Derry |
B507 Lecky Road, Derry |
Springtown Road/Creggan Road/Great James Street/Little James Street/Rossville Road |
| B528 |
A2 Foyleside Roundabout, Derry |
Whittaker Street, Derry |
Foyle Street |
| B529 |
B524 Infirmary Road, Derry |
B527 Little James Street, Derry |
Great James Street |
| B530 |
A6 Glendermott Road, Derry |
A514 Crescent Link, Derry |
Rossdowney Road |
| B533 |
A34 at Newtownbutler |
A3 (N54) at Wattlebridge |
- |
| B534 |
B82 at Lisnarick |
A32 at Irvinestown |
Lisnarick Road |
| B535 |
B80 at Tempo |
A4 at Maguiresbridge |
- |
| B536 |
B72 at Strabane |
B47 at Plumbridge |
- |