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RailRef Line Codes GX

Great Southern & Western Railway

Signal Fact 77

In 1889 Mr.Webb (Chief Mechanical Engineer) and Mr.Thompson (Signal Superintendent), both of the LNWR, brought out their Electric Train Staff system for the control of single lines.

This page should be regarded as “Work in Progress”. The webmaster will welcome additional information for this page.

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
GX001	Dublin Alexandra Road to Islandbridge Junction 6m79c end of line 4m52c Church Road Junction GX003 GX004 GD004 4m18c North Strand Junction GX005 3m24c Drumcondra GX006 2m59c Glasnevin Junction 2m38c Drumcondra Junction 0m20c Dublin Kingsbridge (1) 0m00c Islandbridge Junction GX010 (1) now Dublin Heuston
GX002	Alexandra Quay Branch 4m53c Church Road Junction 6m41c end of tramway
GX003	North Quay Branch 5m11c end of line 4m52c Church Road Junction GX001
GX004	Church Road connection to MGW datum Liffey Junction 2m34c West Road Junction MI001 2m45c Church Road Junction GX001
GX005	North Street connection to GNR 0m00c Dublin Amiens Street (1) DS001 MI002 Ossary Road Junction GD003 0m44c North Strand Junction GX001 (1) now Dublin Connolly
GX006	Connection to MGWR Drumcondra Junction GX001 Glasnevin Junction MI001
GX010	Dublin Kingsbridge (1) to Portarlington 0m00c Dublin Kingsbridge (1) 0m53c Islandbridge Junction GX001 1m43c Inchicore Works Platform Inchicore New Junction GX012 3m09c Cherry Orchard 4m34c Clondalkin 6m63c Lucan South 10m00c Hazelhatch & Celbridge 13m10c Straffan 17m71c Sallins (2) Sallins Junction GX013 20m33c Caragh 25m34c Newbridge (Droichead Nua) 27m40c Curragh Mainline 27m52c Curragh Junction GX014 30m04c Kildare 32m36c Cherryville Junction GX020 36m47c Monasterevan 41m50c Portarlington 41m58c Portarlington Junction GX030 GX040 (1) now Dublin Heuston (2) now Sallins & Naas
GX011	Inchicore Works Lines
GX012	DART Underground East Wall Junction GD001 Docklands Dublin Pearse Low Level St Stephens Green Christchurch Dublin Heuston Low Level Inchicore Inchicore New Junction GX010 Scheme in advanced planning stage with intent to open 2015 or 2016
GX013	Sallins to Tullow datum Sallins Sallins Junction GX010 1m54 Boreen Lusk (Old Town) LC Naas Harristown Dunlavin Colbinstown Grange Con Baltinglass 28m13c Waterstown LC Rathvilly 29m02c Rathvilly Station LC 32m70c Rathylon LC Tullow
GX014	Curragh Racecourse Branch 0m00c Curragh Junction GX010 0m38c Curragh Racecourse Platform
GX020	Cherryville Junction to Kilkenny datum Dublin Kingsbridge (Heuston) 32m36c Cherryville Junction GX010 36m46c Kildangan 40m70c Kilberry 44m65c Athy 44m74c Athy Junction GX021 Athy South Junction GX022 51m00c Mageney 55m68c Carlow 60m09c Milford 66m01c Bagenalstown (1) 66m04c Bagenalstown Junction GX024 74m17c Gowran 77m73c Lavistown North Junction GX025 78m46c Lavistown West Junction 80m64c Kilkenny (2) 80m73c end of line (1) now Muine Bheag (2) now Kilkenny McDonagh
GX021	Wolfhill Colliery Branch datum Athy Station 0m09c Athy Junction GX020 Athy West Junction GX022 0m37c Tegral Asbestos Factory (present end of line) Modulbeagh Colliery Junction GX023 Gracehill Colliery
GX022	Athy South Curve Athy West Junction GX021 Athy South Junction GX020
GX023	Modulbeagh Colliery Branch Modulbeagh Colliery Junction GX021 Modulbeagh Colliery
GX024	Bagenalstown to Palace East Junction datum Dublin Kingsbridge (Heuston) 66m04c Bagenalstown Junction GX020 Goresbridge Borris Glynn Ballywilliam Palace East Junction DS040
GX025	CIE Lavistown Loop 0m00c Lavistown North Junction GX020 0m42c Lavistown South Junction GX041
GX030	Portarlington to Tullamore Old Station datum Dublin Kingsbridge (Heuston) 41m58c Portarlington Junction GX010 GX040 43m12c Power Station Junction GX031 50m24c Geashill 57m13c Tullamore (2nd) GX032 Tullamore (1st)
GX031	Portarlington Electricity Works Branch Power Station Junction GX030 Portarlington Works
GX032	Tullamore to Athlone East Junction datum Dublin Kingsbridge (Heuston) 57m13c Tullamore (2nd) GX030 57m71c Tullamore (3rd) 64m38c Streamstown Junction MI021 64m41c Clara Exchange Platform 64m64c Clara 65m75c Clara & Banagher Junction GX033 68m16c Ballycumber (1) 73m52c Ballinahoun (2) 80m37c Athlone 80m59c Athlone East Junction MI020 (1) originally Prospect (2) originally Doon
GX033	Clara to Banagher 0m00c Clara & Banagher Junction GX032 10m16c Ferbane Belmont & Cloghan Banagher
GX040	Portarlington to Limerick Junction datum Dublin Kingsbridge (Heuston) 41m58c Portarlington Junction GX010 GX030 50m72c Maryborough (1) Maryborough Junction (1)GX041 59m32c Mountrath & Castletown 66m40c Ballybrophy Junction GX050 66m47c Ballybrophy (2) 72m33c Lisduff 78m60c Templemore 86m35c Thurles 87m50c Thurles Junction GX045 94m78c Goold's Cross 95m07c Goold's Cross Junction (3) GX046 99m31c Dundrum 106m28c Kyle Junction GX065 106m56c flat crossing 106m74c Limerick Junction GX066 107m09c Limerick South Junction GX090 (1) now Portlaoise (2) originally Borris & Roscrea, later Boscrea & Parsonstown Junction (3) originally Goold's Cross & Cashel
GX041	Maryborough (1) to Waterford Newrath datum Maryborough (1) Station Maryborough Junction (1) GX040 0m51c Conniberry Junction GX043 Abbeyleix Attanagh Ballyragget Castlecomer Junction GX044 28m22c (present end of line) 28m31c Kilkenny Lavistown 30m49c Lavistown West Junction 31m09c Lavistown South Junction GX025 32m65c Dunbell 34m25c Bennett's Bridge 36m72c Newhouse 39m03c Thomastown 40m10c Jerpoint Hill 43m23c Ballyhale 51m47c Mullinawat 54m51c Kilmacow 56m60c Dunkitt 57m32c Dunkitt Junction (2) GX060 Newrath Junction Newrath Commons 58m37c Suir Bridge Junction GX060 FR021 58m75c Waterford Newrath (Old Station) (now freight depot ?) (1) now Portlaoise (2) aka Newrath Junction
GX042	new connection at Lavistown 78m46c Lavistown West Junction GX041 77m33c Lavistown North Junction GX020 GX025
GX043	Conniberry Junction to Mountmellick 0m00c Conniberry Junction GX041 Mountmellick
GX044	Castlecomer Junction to Deerpark Colliery 0m00c Castlecomer Junction GX041 Corbetstown Castlecomer Deerpark Colliery
GX045	Thurles Junction to Clonmel Junction 0m00c Thurles Junction GX040 Horse & Jockey Laffan's Bridge & Killenaule Farranalleen Fethard Powerstown Park Clonmel Junction GX060
GX046	Goold's Cross to Cashel datum Goold's Cross Goold's Cross Junction GX040 Ardmayle Cashel
GX050	Ballybrophy to Killonan Junction 0m00c Ballybrophy Junction GX040 10m05c Roscrea GX051 20m01c Cloughjordan 29m33c Nenagh 35m19c Silvermines Junction GX052 36m02c Shallee 42m15c Birdhill Junction GX053 42m36c Birdhill 47m06c Castleconnell 48m60c Lisnagry 50m46c Annacotty Halt 52m45c Killonan Junction GX060
GX051	Roscrea to Birr 0m00c Roscrea GX050 Brosna Halt Parsontown Junction PP001 Birr (1) (1) originally Parsontown
GX052	Silvermines branch 0m00c Silvermines Junction GX050 1m14c Silvermines
GX053	Birdhill to Killaloe datum Birdhill Birdhill Junction GX050 Killaloe (1st) Killaloe (2nd) Killaloe Pier
GX060	Limerick to Waterford North 0m00c Limerick (2nd) (1) GX070 0m25c Limerick (1st) Markets Branch Junction GX062 0m51c Limerick Check GX072 0m70c Ennis Junction GX140 4m16c Killonan 4m21c Killonan Junction GX050 7m70c Boher 11m46c Dromkeen 13m76c Pallas 18m35c Oola 21m33c Milltown Junction GX065 21m54c Keane's Points GX066 21m65c flat crossing GX040 24m63c Tipperary 29m46c Bansha 38m26c Cahir 49m19c Clonmel 49m30c Clonmel Junction GX045 55m27c Kilsheelan 63m06c Carrick-on-Suir 67m28c Fiddown & Portlaw 70m03c Grange 75m44c Dunkitt Junction (2) GX041 76m50c Suir Bridge Junction GX041 FR021 77m20c Waterford North (3) 77m46c GW&S / Joint line boundary FR012 (1) now Limerick Colbert (2) aka Newrath Junction (3) now Waterford Plunkett
GX061	Limerick Bell Terminal Branch
GX062	Limerick Markets Branch 0m00c Markets Branch Junction GX060 Markets area
GX063	Limerick Works Lines
GX065	CIE Limerick Junction North Curve datum Dublin Kingsbridge (Heuston) 106m28c Kyle Junction GX040 106m70c Milltown Junction GX060
GX066	Keane's Points to Limerick Junction station 21m54c Keane's Points GX060 22m09c Limerick Junction GX040
GX070	Limerick to Newcastle West via Cork Direct Curve 0m00c Limerick (1) GX060 Limerick Goods Junction GX071 1m00c Foynes Junction GX072 1m78c Cement Factory Junction GX073 6m39c Fort Etna Road 7m26c Patrickswell Patrickswell Junction GX092 9m62c Kilgobbin Halt 11m06c Adare 17m26c Ballingrane 17m27c Ballingrane Junction (2) GX074 19m07c Rathkeale 24m42c Ardagh 27m30c Newcastle West GX080 (1) now Limerick Colbert (2> originally Rathkeale
GX071	Limerick Goods Branch Limerick Goods Limerick Goods Junction GX070
GX072	Limerick Check to Foynes Junction datum Limerick 0m51c Limerick Check GX060 1m00c Foynes Junction GX070
GX073	Cement Factory Junction to Castlemungret datum Limerick via Cork Direct Curve 1m78c Cement Factory Junction GX070 4m30c end of line
GX074	Ballingrane Junction to Foynes datum Limerick via Check (reverse) 17m27c Ballingrane Junction GX072 20m71c Askeaton 26m58c Foynes Foynes Pier
GX080	Newcastle West to Tralee 0m00c Newcastle West GX060 6m27c Barnagh 10m67c Devon Road 14m24c Abbeyfeale 18m24c Kilmorna 23m47c Listowel 30m07c Lixnaw 34m67c Abbeydorney 38m27c Ardfert 41m42c divergence point of Fenit line 42m68c Fenit Line Junction GX081 43m01c Tralee (L&K) GX082
GX081	Tralee to Fenit Pier datum Tralee (L&K) 0m12c Fenit Line Junction GX080 6m20c Kilfenora 8m00c Fenit 8m53c Fenit Pier
GX082	Tralee Link Line 0m00c Tralee (L&K) GX080 0m18c Tralee (T&K) (1) GX110 (1) now Tralee Casement
GX090	Limerick Junction to Cork datum Dublin Kingsbridge (Heuston) 107m09c Limerick South Junction GX040 113m39c Emly 117m05c Knockalong 124m09c Kilmallock 127m64c Charleville North Junction GX091 128m12c Charleville South Junction GX092 129m17c Charleville (1) 137m16c Buttevant & Doneraile Mallow Junction GX093 144m37c Mallow 145m16c Killarney Junction GX100 148m18c Mourne Abbey 154m24c Rathduff 159m28c Blarney 161m31c Rathpeacon Staff Platform Cork Victoria (Blackpool) Glanmire Road West Junction GX095 165m20c Cork Glanmire Road (2nd) (2) GX120 (1) aka Rathluirc (2) now Cork Kent
GX091	Charleville North Loop 127m64c Charleville North Junction GX090 Charleville West Junction GX092
GX092	Charleville Junction to Patrickswell Junction datum Charleville Junction Charleville South Junction GX090 Charleville West Junction GX091 Bruree Rosstemple Croom Patrickswell Junction GX071
GX093	Mallow to Fermoy datum Mallow Mallow Junction GX090 Castletownroche & Killavullen Ballyhooly Fermoy Junction GX094 Fermoy FR020
GX094	Fermoy to Mitchelstown datum Fermoy Fermoy Junction GX093 Glanworth Ballindangan Mitchelstown
GX095	Cork Glanmire Road (1st) Station Glanmire Road West Junction GX090 Glanmire Road (1st)
GX100	Mallow Killarney Junction to Killarney 0m00c Killarney Junction GX090 5m40c Lombardstown 10m58c Banteer (1) Banteer Junction GX101 14m58c Rathcoole 18m78c Millstreet 25m36c Rathmore 28m05c Freemount Headford 32m47c Headford Junction station 32m52c Headford Junction GX102 39m50c Tralee Junction GX110 39m64c Killarney (1) originally Kanturk
GX101	Banteer to Newmarket datum Banteer (1) Banteer Junction GX100 Kanturk Newmarket (1) originally Kanturk
GX102	Headford Junction to Kenmare datum Headford Junction station 0m05c Headford Junction GX100 Loo Bridge Morleys Bridge Kilgarvan Kenmare
GX110	Killarney to Tralee datum Killarney Junction 39m45c end of line 39m50c Tralee Junction GX100 39m55c Killarney Check 40m40c Fitzgerald Platform 46m52c Ballybrack 50m41c Farranfore Junction GX111 50m45c Farranfore Gortatlea Junction GX112 54m26c Gortatlea 61m27c Tralee (T&K) (1) GX082 (1) now Tralee Casement
GX111	Farranfore to Valentia Harbour datum Farranfore station 0m04c Farranfore Junction GX110 Molahiffe Castlemaine Milltown Killorglin Caragh Lake Dooks Glenbeigh Mountain Stage Kells Cahirciveen Valentia Harbour
GX112	Gortatlea to Castleisland datum Gortatlea station Gortatlea Junction GX110 Castleisland
GX120	Cork to Cobh datum Dublin Kingsbridge (Heuston) 165m20c Cork Glanmire Road (1) GX090 165m58c Water Street Junction (2) GX121 166m37c Tivoli 168m02c Dunkettle 169m60c Little Island 171m04c Glounthaune (3) 171m17c Cobh Junction GX123 172m31c Fota 174m25c Carrigaloe 175m57c Rushbrooke (4) Queenstown (1st) 176m59c Queenstown (2nd) (5) (1) now Cork Kent (2) aka Tivoli Junction (3) originally Queenstown Junction, later Cobh Junction (4) originally Monkstown Ferry (5) now Cobh
GX121	Glanmire Branch 0m00c Cork Glanmire 0m38c Grattan Hill Junction Water Street Junction (1) GX120 (1) aka Tivoli Junction
GX122	Summerhill Branch 0m00c Cork Summerhill Water Street Junction (1) GX120 (1) aka Tivoli Junction
GX123	Cobh Junction to Youghal 0m00c Cobh Junction GX120 2m60c Carrigtwohill 6m16c Midleton 11m38c Mogeely 14m15c Killeagh 20m63c Youghal
GX130	Gratton Hill Junction GSW towards Cork Glanmire Road Station
GX131	Cork Glanmire Road GSW to Albert Quay CB&SC 0m15c Cork Glanmire Road 0m00c Junction with GSWR 0m22c St Patrick's Quay Junction 0m30c Anderson's Quay Junction 0m35c Lapp's Quay Junction 0m57c Albert Quay Junction ZS001
GX132	St Patrick's Quay Branch
GX133	Anderson's Quay Branch
GX134	Lapp's Quay Branch
GX140	Limerick Ennis Junction to Athenry Ennis Junction datum Limerick 0m70c Ennis Junction GX060 3m68c Ardnacrusha Branch Junction GX141 3m73c Longpavement Meelick 9m59c Cratloe 12m70c Sixmilebridge 16m46c Ballycar & Newmarket 19m58c Ardsollus & Quin 22m70c Clarecastle 24m51c Ennis 32m36c Crusheen 36m56c Tubber 42m16c Gort 48m69c Ardrahan 55m06c Craughwell & Loughrea 60m30c Ennis Junction MI020
GX141	Ardnacrusha Branch Ardnacrusha Branch Junction GX140 Arnacrusha Power Station
GX142	Athenry Tuam Junction to Claremorris South Junction datum Limerick 60m54c Tuam Junction MI020 69m77c Ballyglunin (1) 76m08c Tuam GX143 (1) originally Brook Lodge
GX143	Tuam to Claremorris South Junction 0m00c Tuam GX142 4m36c Castlegrove 8m51c Milltown 12m45c Ballindine 16m52c Claremorris South station 16m68c Claremorris South Junction MI040 MI041
GX144	Claremorris North Junction to Collooney Junction datum Claremorris station 0m16c Claremorris North Junction MI040 9m31c Kiltimagh 16m79c Swinford 24m10c Swinford 24m10c Charlestown 27m36c Curry 30m62c Tubbercurry 35m67c Carrowmore 41m14c Leyny 45m70c Collooney 45m75c Collooney GSWR Junction GX145 46m14c Collooney Junction MI030
GX145	Collooney 'Southern Siding' 0m00c Collooney GSWR Junction GX144 Collooney SLNCR Junction LN001

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