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Great Northern Railway (Ireland)

Signal Fact 22

Cedar wood was once the material of choice for signal arms, due to its resistance to splitting when exposed to the weather.

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In the list below the information is set out in tabular form, spread over four columns. The column entries are -

RailRef	The Line Code used in RailRef system.
Line Detail	The principal locations included within the Line Code. They are arranged in 'down' direction order. Locations shown are primarily stations and junctions to allow easy cross check against published atlases. Signal box names appear in italics where these are 'intermediate' to stations or have been shown to facilitate links from other pages on this web site. The inclusion of a station or junction name does not imply that there was always a signal box of that same name!
SBR	The section reference used in the relevant Signal Box Register published by the Society.
ELR	The corresponding Engineer's Line Reference(s). This will be blank for railways that never came within British Railways terms of reference. It will also be blank where British Railways had no surviving responsibility for infrastructure at the time the ELR system came into use.

RailRef	Line Detail	SBR	ELR
GD001	Dublin Amiens Street (1) to Drogheda Old Station 0m00c Dublin Amiens Street (1) DS001 MI002 0m21c junction with Loop Line GD002 Suburban Junction GD003 0m25c 1844 temporary terminus 0m57c East Wall Junction GD004 GX012 Fairview Depot connection 1m00c Staff Halt 1m15c Clontarf Road 1m20c Fairview Depot exit 1m54c Clontarf Killester (1st) 2m28c Killester (2nd) 3m00c Harmonstown 3m56c Raheny 4m40c Kilbarrack 4m58c Howth Junction GD006 4m66c Howth Junction station (2) 5m22c Baldoyle 6m55c Portmarnock 9m04c Malahide 11m37c Donabate 13m71c Rush & Lusk 16m01c Baldungan 17m20c Skerries Golf Club Halt 17m76c Skerries Ardgillan 21m58c Balbriggan 24m04c Gormanston 25m66c Butlin's Mosney (3) 27m11c Laytown 28m47c Bettystown 31m41c Old Station Junction GD020 Drogheda (1st) (1) now Dublin Connolly (2) originally Junction (3) now Mosney
GD002	GNR(I) 1891 Connection (Loop Line) 0m00c Amiens Street Junction station 0m05c Amiens Street Junction (Newcomen Bridge Lines) 0m07c Amiens Street Junction (North Strand Line) 0m11c Junction with main line GD001
GD003	CIE 1981 connection Ossary Road Junction GX005 Suburban Junction GD001
GD004	East Wall Branch 0m00c Church Road Junction GX001 0m32c East Wall Junction GD001
GD005	Fairview Depot Lines
GD006	Howth Junction to Howth 0m00c Howth Junction GD001 0m07c Howth Junction station 0m69c Bayside 1m60c Sutton (1) Howth (1st) 3m40c Howth (2nd) (1) originally Sutton & Baldoyle, later Baldoyle & Sutton
GD007	Hill of Howth Tramway Sutton Howth
GD020	Drogheda to Dundalk datum Dublin Amiens Street (Connolly) 31m41c Old Station Junction GD001 31m47c Drogheda Junction (1) GD021 31m57c Drogheda 32m45c Newfoundwell 32m46c Cement Branch Junction GD022 41m54c Dunleer 43m51c Dromin Junction station Dromin Junction GD023 47m14c Castlebellingham 53m43c Dundalk South Junction GD024 53m68c Square Crossing GD070 53m76c Dundalk (1st) 54m10c Dundalk Central Junction GD071 54m28c Dundalk (2nd) (2) GD040 (1) now Drogheda MacBride (2) now Dundalk Clarke
GD021	Drogheda to Oldcastle 0m00c Drogheda Junction GD020 4m65c Duleek 8m40c Lougher Halt 11m54c Beauparc 16m52c Navan (1st) 16m73c Navan (2nd) 17m20c Navan Junction 17m30c Navan East Junction MI012 17m49c Navan West Junction (1) MI014 23m01c Ballybeg Kells Virginia Road Oldcastle (1) aka Nevistown Junction, Kingscourt Junction and now Tara Mines Junction
GD022	Boyne Cement Branch 0m00c Cement Branch Junction GD020 1m08c CIE / Cement company boundary
GD023	Dromin to Ardee 0m00c Dromin Junction GD020 4m66c Ardee
GD024	Dundalk South Junction to East Junction 0m00c Dundalk South Junction GD020 0m36c Dundalk East Junction GD070
GD025	Cambrieville Brewery Branch
GD026	GNR Workshops
GD027	Ardee Road Goods Branch
GD040	Dundalk to Belfast Great Victoria Street datum Dublin Amiens Street (Connolly) 54m28c Dundalk (1) GD020 58m00c Mount Pleasant 59m47c CIR / NIR and national boundary 62m40c Adavoyle Wellington Inn 69m20c Bessbrook (2) 70m42c Newry Armagh Road (3) 71m66c Goraghwood Junction GD110 71m68c Goraghwood 73m43c Knockarney Crossing Halt 76m05c Augheranter Crossing Halt 76m73c Poyntzpass 78m05c Acton Crossing Halt 79m49c Scarva 79m69c Scarva Junction GD041 81m79c Tanderagee (4) 87m15c Portadown Junction GD090 GD100 87m24c Portadown (2nd & 4th) (5) 87m55c Portadown (1st & 3rd) 88m48c Seagoe 91m35c Goodyear 92m53c Lurgan (6) 95m40c Pritchard's Bridge 98m12c Moira 100m00c Damhead (7) 101m13c Broomhedge 102m41c Maze (8) 103m35c Knockmore Junction GD042 GD044 GD060 104m06c Knockmore Junction Halt (9) 105m06c Lisburn GD044 106m04c Hilden Halt 106m47c Lambeg 107m40c Derriaghy Halt 108m41c Dunmurry 109m40c Finaghy Halt 110m22c Balmoral 111m13c Adelaide 111m75c Central Junction (2nd)GD045 GD046 112m00c Central Junction (1st) (10) 112m17c Westlink Junction GD047 112m44c Belfast Great Victoria Street (2nd) 112m50c Belfast Great Victoria Street (1st) (1) now Dundalk Clarke (2) originally Newry, later Monaghan Road, then Newry Main Line, now Newry (3) originally Mullaghlass (4) originally Madden Bridge, then Tanderagee & Gilford (5) 4th station aka Portadown (Craigavon West) (6) aka Lurgan (Craigavon East) (7) original station The Damhead (8) originally Maze Platform (9) later Knockmore (10) originally Ulster Junction
GD041	Scarva to Banbridge datum Scarva station Scarva Junction GD040 Laurencetown Lenaderg Smyth's Siding Halt Banbridge (BJR) Banbridge Junction GD042
GD042	Knockmore to Castlewellan Knockmore Junction GD040 GD044 GD060 Canal Bridge Newport Halt Hillsborough Ballygowan Halt Magherabeg Dromore Ashfield Mullafernaghan Banbridge Junction GD041 Banbridge Corbet Poland's Bridge Katesbridge Ballyroney Drumadonald Ballyward Leitrim Savage's Bridge Castlewellan GNR(I) / BCDR boundary BD009
GD044	Knockmore Junction to Lisburn via third line datum Dublin Amiens Street (Connolly) 103m35c Knockmore Junction GD040 GD060 104m12c Knockmore 105m06c Lisburn GD040
GD045	Central Junction to Ballymacarrat Junction from 1976 datum Dublin Amiens Street (Connolly) (mileages in brackets) 0m00c (111m75c) Central Junction (1) GD040 0m15c (112m15c) City Junction GD047 0m22c (112m27c) City Hospital 0m29c (112m34c) Windsor 0m49c (112m54c) Botanic 1m01c (113m01c) Ormeau 1m23c (113m24c) Maysfields Goods 1m36c (113m36c) Belfast Central 1m50c (113m50c) East Bridge Junction GD048 1m58c (113m58c) Lagan Junction NC003 2m19c (114m19c) Bridge End 2m27c (114m27c) Ballymacarrett Junction BD001 (1) originally Ulster Junction
GD046	Grosvenor Road Goods Branch 111m75c Central Junction GD040
GD047	Blythefield Curve 0m00c Westlink Junction GD040 0m17c City Junction GD045
GD048	East Bridge Junction to Belfast Quay 0m00c East Bridge Junction GD045 0m18c Queens Bridge 0m38c Donegall Quay Junction (boundary GNR / Harbour Commissioners)
GD060	Knockmore to Antrim 0m00c Knockmore Junction GD040 GD042 GD044 1m61c Brookmount 3m18c Brookhill Halt 4m24c Meeting House Halt 5m29c Ballinderry 6m47c Legatiriff Halt 8m49c Glenavy 10m74c Crumlin 11m75c Siding Junction GD061 13m16c Aldergrove Aldrgrove Junction GD062 15m53c Millars Bridge Halt 18m40c Antrim Junction NC020
GD061	Gortnagallon Branch Siding Junction GD060 Gortnagallon
GD062	Aldergrove Branch Aldergrove Junction GD060 Aldergrove Aerodrome
GD070	Dundalk to Enniskillen datum Dundalk Barrack Street 0m11c Windmill Junction (GNR / DNGR boundary) DN001 0m00c junction from Barrack Street Goods (datum point) Dundalk East Junction GD024 Square Crossing GD020 1m34c Dundalk West Junction GD071 Kellybridge Halt Inniskeen Inniskeen Junction GD072 Blackstaff Halt Culloville Castleblayney Ballybay Shantonagh Junction (1)GD073 Monaghan Road Newbliss Clones East Junction GD100 Clones GD102 Newtownbutler Lisnaskea Maguiresbridge Lisbellaw Enniskillen Junction LN001 Enniskillen (2nd) GD080 (1) aka Shantona Junction
GD071	Dundalk Central Junction to West Junction 0m00c Dundalk Central Junction GD020 0m36c Dundalk West Junction GD070
GD072	Iniskeen to Carrickmacross datum Inniskeen Inniskeen Junction GD070 Essexford Carrickmacross
GD073	Shantonagh Junction to Cootehill Shantonagh Junction (1) GD070 Rockcorry Cootehill (1) aka Shantona Junction
GD080	Enniskillen to Londonderry Foyle Road datum Dundalk Barrack Street Enniskillen (2nd) GD070 Enniskillen (1st) Gortaloughan Halt Drumcullion Halt Ballinamallard Bundoran Junction Bundoran South Junction GD081 Bundoran East Junction GD082 Trillick Dromore Road Fintona Junction GD083 Omagh Junction GD090 Omagh (2nd) Omagh (1st) Mountjoy Halt Newtownstewart Victoria Bridge Trafalgar (1) Sion Mills Finn Valley Junction GD084 Strabane Porthall Carrickmore St Johnston Carrigans Londonderry Cow Market Londonderry (Gallows Strand) Foyle Road (2) (1) private station (2) originally Londonderry Foyle Road
GD081	Bundoran Junction to Bundoran datum Bundoran Junction station Bundoran South Junction GD080 Bundoran West Junction GD082 Irvinestown Drumadravy Kesh Pettigo Castlecaldwell (1st) Castlecaldwell (2nd) Magheramenagh Castle Belleek Ballyshannon Bundoran
GD082	Bundoran North Curve 0m00c Bundoran East Junction GD080 Bundoran West Junction GD081
GD083	Fintona Junction to Fintona 0m00c Fintona 0m55c Fintona Junction GD080
GD084	Finn Valley connection (Strabane) Finn Valley Junction GD080
GD090	Portadown to Omagh datum Portadown Station 0m09c Portadown Junction GD040 GD100 Portadown temporary station Annaghmore Vernersbridge (1) Trew & Moy Dungannon (1st) Dungannon (2nd) Dungannon Junction GD091 Donaghmore Pomeroy Carrickmore Sixmilecross Beragh Market Branch Junction GD093 Omagh Junction GD080 (1) originally Verner Article: Railway World, August 1970.
GD091	Dungannon to Cookstown datum Dungannon Dungannon Junction GD090 Coalisland Stewartstown Killymoon Golf Links Cookstown Goods Junction GD092 Cookstown Junction NC030 Cookstown GNR Terminus
GD092	Cookstown Goods Cookstown Goods Junction GD091 Cookstown Goods
GD093	Omagh Goods Branch Market Branch Junction GD090
GD100	Portadown to Clones datum Portadown Station 0m09c Portadown Junction GD040 GD090 Richhill Retreat Halt Armagh Market Hill Junction GD110 Armagh (1) Armagh Keady Junction GD101 Killylea Tynan (2) Glaslough Monaghan (1st) Monaghan (2nd) Smithborough Clones East Junction GD070 (1) aka Armagh Railway Street (2) originally Tynan, Caledon & Middletown, later Tynan & Caledon
GD101	Armagh to Castleblaney Armagh Keady Junction GD100 Irish Street Halt Milford Ballyards Halt Tassagh Halt Keady Carnagh Creaghanroe Castleblayney
GD102	Clones to Cavan Clones GD070 Redhills Ballyhaise (1) Belturbet Junction GD103 Loreto College Halt GNR(I) / MGWR boundary MI031 (1) originally Belturbet Junction
GD103	Ballyhaise to Belturbet datum Ballyhaise station Belturbet Junction GD102 Belturbet
GD110	Warrenpoint to Armagh 0m00c Warrenpoint (1st) 0m07c Warrenpoint (2nd) 1m30c Narrow Water Halt Green Island 5m70c Kilmorey Street Junction GD112 6m26c Newry Dublin Bridge 6m48c King Street Junction GD111 DN010 6m78c Newry Edward Street DN010 10m26c Goraghwood Junction GD040 10m28c Goraghwood Ballydougherty Halt Loughgilly (1st) 16m13c Loughilly (2nd) (1) Markethill Hamiltonsbawn Armagh (1st) Armagh Market Hill Junction GD100 (1) subsequently Glen Anne
GD111	King Street Junction to Bridge Street Junction King Street Junction GD110 DN010
GD112	Kilmorey Street Branch 0m00c Kilmorey Street Junction GD110 0m10c Kilmorey Street Goods
GD120 DL001 NC090	Londonderry to Strabane See County Donegal Joint Railway DL001 for detail.
GD121 DL010 NC091	Strabane to Killybegs See County Donegal Joint Railway DL010 for detail.
GD122 DL011 NC092	Stranolar to Glenties See County Donegal Joint Railway DL011 for detail.
GD123 DL012 NC093	Donegal to Ballyshannon See County Donegal Joint Railway DL012 for detail.
GD124 DL020 NC094	Strabane to Letterkenny See County Donegal Joint Railway DL020 for detail.

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