Last update 12 March 2022
Please select a starting letter from the links below:
Code | Signal Box | Note | ELR | Mileage | Opened | Closed | Control to |
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AF | Abbey Foregate Junction | WSJ2 | 171m 13ch | 1914 | |||
AJ | Abbey Junction | NWO | 9m 64ch | 1867? | 16 February 1992 | Nuneaton (NN) | |
R | Repeater signals | ||||||
AW | Abbey Wood | Downgraded to gate box 25 October 1970 | NKL | 11m 49ch | ≈1874 | 13 July 1975 | Dartford (D) |
AE | Abbey Works East | OVE | 2m 40ch | 20 March 1949 | 1 November 1987 | Port Talbot (PT) | |
AW | Abbey Works West | OVE | 1m 74ch | 20 March 1949 | 4 July 1982 | Port Talbot (PT) | |
AG | Aberbeeg Junction | EBW | 14m 21ch | November 1891 | 14 December 1997 | Park Junction (PJ) | |
Abercwmboi | ABD | 21m 22ch | by 1884 | 9 October 1989 | Abercynon (A, AB) | ||
A | Abercynon | Aberdare branch signals. Code used by 4 September 1977 | CAM | 16m 25ch | 3 April 1932 | 30 May 2008 | Abercynon [new] (A) |
AB | Merthyr Tydfil branch signals | ||||||
A | Abercynon [new] | CAM | 16m 25ch | 30 May 2008 | Core Valley Lines Integrated Control Centre (VA) (planned) | ||
AS | Aberdare Sidings Ground Frame | MLN1 | 10 September 1966 | Old Oak Common (OO) | |||
A | Aberdeen | Code used from 1981 | ECN5 | 240m 63ch | 21 June 1981 | ||
A | Aberdour | Code used 1979 | ECN2 | 17m 34ch | 1890 | 10 December 1979 | Edinburgh (EU) |
A | Abergavenny | Also known as Abergavenny Station, and as Abergavenny (Monmouth Road) Station | HNL1 | 22m 75ch | 27 May 1934 | Wales Rail Operating Centre (NS) (planned) | |
AY | |||||||
Abergavenny (Monmouth Road) | See Abergavenny | ||||||
Abergavenny Station | See Abergavenny | ||||||
AE | Abergele | CNH3 | 213m 29ch | August 1902 | late on 23 March 2018✖last train; official closure 26 March 2018 | Wales Rail Operating Centre (FH) | |
AW | Aberthaw | Formerly named Aberthaw East | VOG | 5m 03ch | November 1897 | 9 March 2013✖delayed from 28 January 2013 | South Wales Control Centre (CF) |
A | Some signals shown on signal plan | ||||||
Aberthaw East | See Aberthaw | ||||||
A | Abington | Code used from 1972 | WCM1 | 57m 53ch | 20 September 1942 | 29 April 1973 | Motherwell (MC) |
A | Acklington | ECM7 | ≈28m 36ch | 11 January 1964 | Chevington (CN) | ||
R | Two emergency aerodrome signals. Code used by 1954 | ||||||
A | Acle | NAY | 10m 29ch | 1882 | 17 February 2020 | Colchester [new] (YL) | |
A | Acton | Formerly named Acton West | MLN1 | 4m 79ch | 1 September 1932 | 24 February 1968 | Old Oak Common [new panel] (OO) |
DM | Down main line automatic signals | ||||||
AB | Acton Bridge | CGJ1 | 172m 35ch | 25 June 1972 | Winsford (WD) | ||
ACW | Acton Canal Wharf | CAW | 8m 40ch | 1895 | |||
AG | Acton Grange | CGJ2 | ≈180m 12ch | 5 April 1940 | 16 September 1972 | Warrington (WN) | |
AL | Acton Lane | LLG | 0m 30ch | 10 May 1964 | 24 December 2000 | Wembley (WM) | |
AM | Acton Middle | MLN1 | 4m 25ch | 1900 | 31 January 1959 | Acton (A) | |
AW | Acton Wells Junction | BOK5 | 0m 65ch | 1892 | |||
AW | Acton West | MLN1 | ≈4m 65ch | 5 May 1984 | Old Oak Common [new panel] (OO) | ||
Acton West | See Acton | ||||||
AY | Acton Yard | MLN1 | 4m 16ch | 1 February 1959 | 7 April 1984 | Old Oak Common [new panel] (OO) | |
AC | Addiscombe | Burnt down 7 March 1996 | EEA | 12m 66ch | 1899 | 31 May 1997 | Line closed |
AD | Addlestone | Downgraded to gate box 22 March 1970 | VWW | 20m 64ch | 1899 | 6 January 1974 | Woking ASC (WV) |
A | Adwick Crossing | Code used from 1980 | PED4 | 14m 47ch | ≈1907 | 10 May 1981 | Sheffield (S) |
AX | Earlier code | ||||||
A | Adwick Junction | DOL1 | 160m 57ch | 1958 | 8 March 1970 | Skellow (S) | |
AJ | Agecroft Junction | MVE1 | 3m 33ch | November 1950 | 9 April 1988 | Windsor Bridge (WB) | |
Ainsdale | HXS3 | 14m 67ch | 1878 | 11 March 1994 | Merseyrail (ML) | ||
AD | Airdrie | Code used from 30 July 1960 | NEM2 | 10m 38ch | 28 February 1960 | 28 July 1991 | Yoker (YS) |
AN | Albion | Downgraded to shunt frame 8 January 1966: line controlled by Birmingham New Street (NS) | RBS2 | 6m 14ch | Birmingham New Street (NS) | ||
A | Aldam Junction | PED3 | 9m 76ch | 24 November 1906 | 5 March 1983 | Line closed | |
AJ | |||||||
AS | Aldershot | Named Aldershot A to 3 April 1977 | PAA1 | 34m 75ch | ≈1900 | 27 August 2013 | Woking ASC (WK) |
ASA | Semi-automatic signals partially controlled from Ground Frame A | ||||||
WAS | Automatic signals (code not seen on site: possibly should be WA500-series automatic signals) | ||||||
WA | Automatic signals | ||||||
Aldershot A | See Aldershot | ||||||
Aldershot Junction | See Aldershot Junction North | ||||||
GW | Aldershot Junction North | PAA1 | 33m 40ch | 1879 | 23 August 1970 | Aldershot (AS) | |
AJ | Aldridge Junction | CBR2 | May 1967? | Walsall (WL) | |||
A | Aldwarke Junction | TJC3 WME | 164m 46ch 6m 75ch | 7 March 1965 | 25 February 1980 | Sheffield (SA) | |
RA | Repeater signals | ||||||
SA | Temporary code (post 1979?) until taken over by Sheffield | ||||||
SA | Aldwarke Junction [reopened] | TJC3 WME | 164m 46ch 6m 75ch | 23 September 1990 | 11 July 1992 | Sheffield (SA) | |
AD | Alexandra Dock | KGD | Line closed | ||||
AX | Alexandria | BCH | 19m 20ch | 11 March 1973 | Yoker (YD) | ||
AD | Allerton Depot | Stop boards | |||||
AN | Allerton Junction | WJL3 | 187m 66ch | 8 August 1960 | 24 December 2018✖last train; official closure 2 January 2019 | Manchester Rail Operating Centre (WE) | |
ANR | Banner repeater signals | ||||||
AJ | Code reported in June 1993 weekly notice | ||||||
AL | Allington | NOG1 | 108m 72ch | 3 October 2005 | |||
AJ | Allington Junction | NOG1 | 108m 71ch | 12 May 1875 | 30 September 2005✖last train; official closure 3 October 2005 | Allington (AL) | |
A | |||||||
AT | Allscott Sugar Works | Code possibly not carried | WSJ2 | 164m 33ch | 5 February 1928 | 27 January 1985 | Wellington (WN) |
D | Alne | Down line semi-automatic signals | ECM5 | ≈11m 14ch | 15 May 1960 | Pilmoor (P) | |
U | Up line semi-automatic signals | ||||||
A | Alnmouth | Named Alnmouth North to 1957. Code used from 1977 replacing all others | ECM7 | 34m 76ch | 1907 | ||
AH | Code used to 1977 | ||||||
D | Down line automatic signals | ||||||
U | Up line automatic signals | ||||||
Alnmouth North | See Alnmouth | ||||||
Alresford Station | Downgraded to gate box 21 December 1958: line controlled by East Gate Junction (EG) | COC | 57m 68ch | 1889 | 2 March 2009 | Colchester [new] (CO) | |
AS | Alrewas | BJW3 | 22m 10ch | 1899 | |||
GA | Alstone | See Cheltenham Alstone | |||||
A | Altofts Junction | Code used by December 1977 | TJC3 | 186m 00ch | 5 June 1927 | 2 March 1990 | Altofts Junction [new] (AJ) |
AJ | |||||||
RAJ | Repeater signals | ||||||
AJ | Altofts Junction [new] | NOC TJC3 | 23m 57ch 186m 00ch | 3 March 1990 | 20 September 1997 | Castleford (CD) | |
AM | Altrincham | CDM1 | 7m 61ch | 7 July 1991✖full replacement signalling into use 22 July 1991 | Deansgate Junction (DJ) | ||
AY | Amberley | TBH1 | 54m 61ch | 24 January 1934 | 17 March 2014✖last train; official closure delayed from 25 October 2013 | Three Bridges [new] (T) | |
AR | Ancaster | GRS2 | 114m 48ch | 1 December 1873 | |||
WFN | Andover A | Named Andover Junction A to 7 August 1964 | BAE1 | 66m 11ch | 1882 | 2 December 1973 | Basingstoke [panel] (YW) |
WFO | Andover B | Named Andover Junction B to 7 August 1964. Code used from 25 April 1968 | BAE1 | 66m 30ch | 1882 | 2 December 1973 | Basingstoke [panel] (YW) |
DWFO | Distant signals | ||||||
WA | Automatic signals | ||||||
Andover Junction A | See Andover A | ||||||
Andover Junction B | See Andover B | ||||||
AR | Angel Road | BGK | 10 March 1969 | Liverpool Street (L) | |||
AG | Angmering | BLI1 | 15m 48ch | 1877 | 25 June 1988 | Lancing (LG) | |
A | Anlaby Road | HUL1 | 0m 73ch | ≈October 1964 | Hessle Road Junction (HR) | ||
AN | Annan | Code used from 1973 | GSW | 107m 10ch | 1876 | ||
A | Unclear if code carried | ||||||
AN | Annat | Downgraded to gate box 6 December 1987: line controlled by Banavie (B) | MLG2 | 2m 15ch | 21 June 1964 | 23 October 2011 | Banavie (B) |
ANT | Unclear if code carried | ||||||
A | Apperley Junction | TJC3 | 202m 03ch | 27 November 1927 | 4 July 1994 | Leeds (L) | |
AJ | |||||||
A | Appleby (Lincolnshire) | DOW | 26m 59ch | 1885 | 24 February 2003 | Appleby (Lincolnshire) [temporary panel] | |
AY | Appleby (Lincolnshire) [temporary panel] | DOW | 26m 58ch | 24 February 2003 | 19 December 2004 | Appleby (Lincolnshire) [reopened] (AY) | |
AY | Appleby (Lincolnshire) [reopened] | Reopened original 'box following rebuilding | DOW | 26m 59ch | 19 December 2004 | 30 December 2015 | York Rail Operating Centre (BD) |
A | Appleby North | Original code | SAC | 277m 34ch | 1951 | 18 November 2019 | Kirkby Thore (KT) temporarily during structural repairs |
AN | Code believed used from 8 December 2008 | ||||||
A | Appleby North [reopened] | SAC | 277m 34ch | 13 January 2020 | |||
AN | Code believed used | ||||||
AP | Appledore | ATH | 64m 46ch | 27 June 1954 | 6 November 1995 | Ashford IECC (AD) | |
AX | Appleford | Downgraded to gate box 17 May 1965: line controlled by Swindon B (SB). Now demolished. Signal plan states Controlled and supervised by dedicated crossing controller's panel at Swindon SCC. |
DCL | 54m 54ch | 1952 | 27 May 2001 | Swindon B (SB) |
A | Code used as gate box | ||||||
AT | Applehurst Junction | Code used by 3 May 1970 | CJS | 163m 26ch | 1 July 1877 | 29 June 1980 | East Midlands Control Centre (D) |
AJ | Code used from 6 September 1970? | ||||||
AH | Arbroath | Named Arbroath North to 21 March 1971. Code used from 2002 | ECN3 | 16m 59ch | 26 March 1911 | ||
Arbroath North | See Arbroath | ||||||
Arch Junction | See Archcliffe Junction | ||||||
ZE | Archcliffe Junction | Sometimes also known as Arch Junction (possibly in error) | XTD | 76m 42ch | 3 June 1928 | 10 April 1998 | Folkestone East (YE) |
A | Ardleigh | LTN1 | 55m 77ch | by 1893 | 24 April 1983 | Colchester [new] (CO) | |
AE | Ardmore East | Code used from 1960 | NEM7 | 21m 14ch | 24 January 1943 | 12 December 1976 | Craigendoran (CN) |
AW | Ardmore West | NEM7 | 21m 69ch | 28 February 1943 | 4 November 1973 | Ardmore East (AE) | |
AS | Ardsley Station | DOL1 | 180m 11ch | 1870 | 15 November 1970 | Lofthouse North (LN) | |
U | Up line automatic signals | ||||||
A1 | Ardwick No 1 | HAJ | 0m 59ch | 30 July 1905 | 28 October 1973 | Manchester Piccadilly (MP) | |
A | Arksey | Code used probably from 1949. See also Doncaster | ECM1 | 158m 02ch | 2 February 1872✖inspected 24 August 1878 | 26 October 1980 | Doncaster (D) |
A | Arlesey | ECM1 | 35m 51ch | 1898 | 27 June 1976✖delayed from 13 June 1976 | Hitchin (HT) | |
AY | Arley | NWO | 4m 60ch | 9 August 1969 | Saltley (SY) | ||
AE | Armitage | LEC2 | 122m 09ch | 12 June 2005? | Colwich (CH) | ||
AE | Arnside | Code used from 2008 | CBC1 | 6m 29ch | 1897? | ||
Plans made for Carnforth-Arnside, with all Carnforth boxes and line to Wennington closed, showed AE signals at Silverdale, believed never installed | |||||||
AJ | Arpley Junction | SDJ2 WOA1 | 11m 03ch 0m 00ch | 1918 | |||
A | Arthington | Temporary 'box for tunnel repair work | LEH11 | 8m 48ch | 30 June 1980 | 31 May 1981 | Horsforth (H) |
AR | Repeater signals | ||||||
AR | Arundel | Code used from 22 November 1979 | TBH1 | 58m 36ch | 27 March 1938 | ||
CBV | Code used to 22 November 1979 when new panel installed | ||||||
AJ | Arundel Junction | Code carried on one signal only (AJ6), 22 November 1979 to 8 December 1979 | BLI1 TBH1 TBH2 | 19m 01ch 59m 75ch 19m 01ch | 28 September 1885 | 8 December 1979 | Arundel (AR) |
CA | Automatic signals | ||||||
F | Ascot | Named Ascot B to 19 May 1974 | RDG1 | 29m 13ch | 16 October 1938 | 8 September 1974 | Feltham (F) |
Ascot B | See Ascot | ||||||
AW | Ascott under Wychwood | Code used by 1973 | OWW | 80m 37ch | 1883 | ||
AY | Asfordby | GSM4 | 111m 40ch | ||||
A | Code used by 29 January 1995 | ||||||
X | Draw ahead signals | ||||||
MT | Asfordby (Rail Innovation & Development Centre control point) | ERTMS block markers | |||||
AS | Ashburys | Named Ashburys East to May 1984. Code used from renaming | HAJ | 1m 56ch | 1906 | 18 September 2011 | Manchester East Signalling Control Centre (SE?) |
AE | Code used when named Ashburys East | ||||||
Ashburys East | See Ashburys | ||||||
AW | Ashburys West Junction | HAJ | 1m 27ch | 13 July 1905 | 6 May 1984 | Ashburys (AS) | |
NN | Ashby Junction | Temporary code from 10 November 1962 until taken over by Nuneaton | LEC2 | 97m 57ch | ≈1963✖definitely by 1972 | Nuneaton (NN) | |
FW | Ash Crossing | GTW2 | 49m 15ch | 13 February 1966 | 30 October 1998 | Guildford Area Signalling Centre (GD) | |
WA | Automatic signals | ||||||
RWA | Repeater to automatic signals | ||||||
UE | Ashford | XTD | 56m 23ch | 29 April 1962 | 10 December 1995 | Ashford IECC (AD) | |
A | Automatic signals | ||||||
D | Distant signals | ||||||
AF | Ashford Centre | CTRL control centre, located within Ashford IECC | TRL3 XTD | 90.550km 56m 21ch | 2003 | ||
D | Down line automatic signals and stop/ proceed markers | ||||||
DC | Automatic signals and stop/ proceed markers on Stratford International-Temple Mills connecting line | ||||||
DW | Automatic signals and stop/ proceed markers on Down Waterloo connection | ||||||
U | Up line automatic signals and stop/ proceed markers | ||||||
UW | Automatic signals and stop/proceed markers on Up Waterloo connection | ||||||
H | Ashford Depot | Code derived from 'Hitachi' (depot operators) | ACR | 2 October 2007✖depot formal opening date | |||
AD | Ashford IECC | XTD | 56m 21ch | 21 February 1993✖main IECC; North Kent lines added in stages 2000-2001 | |||
A | Automatic signals. Unclear whether code exists | ||||||
R | Banner repeater signals | ||||||
NK | North Kent area (VDU based control and indication system) | ||||||
WBL | Ashford [Middx/Surrey] | RDG1 | 17m 48ch | 23 February 1930 | 8 September 1974 | Feltham (F) | |
A | Ashington Junction | BWC | 3m 02ch | 1896 | 14 February 2010 | Marcheys House (MH) | |
Ashington Loop No 1 | See Ashington NCB No 1 Loop | ||||||
A | Ashington NCB No 1 Loop | Also known as Ashington Loop No1 | BWO1 | 5 April 1987✖delayed from 31 March 1987 | Ashington Junction (A) | ||
A | Ashley Hill | Unclear if code used | BSW | 2m 61ch | 5 July 1925 | 17 October 1970 | Bristol (B) |
CBG | Ashtead | Downgraged to gate box 26 April 1964 | BTH3 | 16m 13ch | 28 November 1930 | 10 December 1978 | Leatherhead (CBH) |
Ashton Junction | See Guide Bridge | ||||||
AJ | Ashton Junction [Bristol] | Code used from 6 December 1971 | POD | 121m 19ch | 20 May 1906 | 1990✖out of use; burnt down 1994, official closure April 1999 | Bristol (B) |
AMN | Ashton Moss North Junction | Demolished by 17 April 2018 | AMJ MVL1 | 0m 29ch 5m 52ch | 1911 | 14 April 2018✖last train; official closure 29 April 2018 | Manchester Rail Operating Centre (MN) |
AM | Code not carried | ||||||
AMS | Ashton Moss South Junction | DJO2 | 1m 29ch | 1911 | 22 September 1991 | Ashton Moss North Junction (AM) | |
HW | Ash Vale Junction | AAV | 40m 48ch | 2 June 1879 | 27 August 2013 | Woking ASC (WK) | |
WA | Automatic signals | ||||||
AL | Ashwell | GSM2 | 96m 66ch | 30 June 1912 | |||
AM | Askam | CBC1 | 35m 03ch | 1890 | |||
Askern Colliery | had draw-ahead signals in colliery sidings lettered A to F, with no number | KWS? | Colliery closed | ||||
A | Aslockton | NOG1 | 117m 29ch | 21 December 1875 | 13 March 1977 | Aslockton [gate box] (A) | |
A | Aslockton [gate box] | Gate box: line controlled by Bottesford West Junction (BW) | NOG1 | ≈117m 20ch | 13 March 1977 | 29 November 1986 | Bottesford West Junction (BW) |
Aspatria | CBC2 | 7m 74ch | 1891 | 18 January 1998 | Maryport Station (MS) | ||
Aspley Guise | BBM | 5m 04ch | 6 September 2004 | Marston Vale (MV) | |||
AY | Astley | DSE | 22m 55ch? | 1872 | 1972 | Astley [new] (AY) | |
AY | Astley [new] | DSE | 22m 55ch | 17 September 1972 | |||
Astley Bridge | Temporary block post | BBB | 11m 74ch | 1 December 1985 | 7 December 1985 | Bolton (BN) | |
AN | Aston | PBJ | 0m 37ch | 12 October 1992 (in 1957 building) | |||
AN | Aston No 1 | PBJ | ≈1m 55ch | 2 July 1966 | Birmingham New Street (NS) | ||
AY | Athelney | Formerly named Athelney West | CCL | 134m 77ch | July 1906 | 5 April 1986 | Exeter (E) |
Athelney West | See Athelney | ||||||
AE | Atherstone | LEC2 | 102m 23ch | 10 November 1962 | 22 July 1990 | Nuneaton (NN) | |
AG | Atherton Goods Yard | WBS1 | 11m 18ch | 1956 | 29 July 2013✖delayed from 25 March 2013 | Manchester Piccadilly (MP) | |
AH | Attenborough Station | TSN1 | ≈121m 69ch | 19 December 1969 | Trent (TT) | ||
A | Attercliffe Road Station | TJC1 | 159m 23ch | 25 April 1965 | Brightside (B) | ||
A | Attleborough | ETN | 108m 20ch | 1883 | 2 December 2012 | Cambridge (EN) | |
AB | |||||||
AR | Auchterarder | Code used from 2002 | SCM4 | 137m 41ch | 11 October 1895 | ||
AU | Code reported but probably not used | ||||||
Aughton Road | HXS3 | 17m 49ch | 1928 | 11 March 1994 | Merseyrail (ML) | ||
AS | Avenue Sidings | SPC9 | ≈143m 30ch | ≈1971 | Trent (TT) | ||
A | Aviemore | Code used to 2002 | HGL2 | 83m 51ch | 16 June 1898 | 26 March 2019✖official date; last train earlier | Inverness (HA, HC, HK, HM, HS, HT) |
AV | Aviemore area. Code used from 2002 replacing A | ||||||
AC | Carrbridge interlocking. Code used from 1979 | ||||||
AK | Kincraig interlocking. Code used from 1979 | ||||||
AM | Moy interlocking. Code used from 1979 | ||||||
AS | Slochd interlocking. Code used from 1979 | ||||||
AT | Tomatin interlocking. Code used from 1980 | ||||||
AD | Avonmouth Dock Junction | CNX | 8m 28ch | 24 July 1906 | 22 January 1988 | St Andrews Junction [Bristol] (SA) | |
AJ | Awre (Junction) | Downgraded to gate box 2 June 1969. Apparently still extant and able to be used in emergencies | SWM2 | 128m 22ch | March 1909 | 30 December 1973 | Gloucester (G) |
WDG | Axe Gates | Downgraded to gate box 10 June 1967 | BAE2 | 141m 56ch | August 1949 | 6 August 1967 | Chard Junction (C) |
A | Axminster Crossing | Gate box in station building: line controlled by Chard Junction (C). Preceding gate box now preserved at private site | BAE2 | 144m 41ch | 16 December 1973 | ||
Aylesbury South | MCJ2 | 38m 02ch | June 1908 | 24 November 1990 | Marylebone [new] (ME) | ||
AF | Aylesford | PWS2 | 38m 75ch | 14 August 1921 | |||
Ayleston Hill | See Hereford | ||||||
AJ | Aynho Junction | DCL | 81m 03ch | 4 April 1910 | 5 March 1992 | Banbury South (BS) | |
GF | Ayr Harbour ground frame | AYH1 | 0m 21ch | 22 January 1984 | |||
PA | Ayr Local Signalling Panel | See Paisley Ayr interlocking | AYR6 | 39m 73ch | 7 April 1985 | 1 June 1986 | Paisley [new] (PA) (local control still possible) |
A | Code used to closure | ||||||
A | Ayton | ECM8 | 50m 20ch | 25 April 1943 | 25 February 1978 | Edinburgh (EG) | |
D | Down line automatic signals | ||||||
RD | Distant to down line automatic signals |