Last update 6 November 2009
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Introduction A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Non-National Rail
Phil Deaves, Swindon, Wiltshire
I am always grateful for additional information, whether entirely new records (particularly historical records), or information to fill in gaps or correct errors, via the email address above. Thank you.
| Code | Signal Box | Note | ELR | Mileage | Opened | Closed | Control to |
|---|---|---|---|---|---|---|---|
| DD | Dagenham Dock | TLL | 10m 49ch | 25 May 1996 | Upminster (UR) | ||
| DD | Dagenham Dock Ground Switch Panel | TLL | 11m 9ch | 27 May 1996 | Upminster (UR) | ||
| DH | Dagenham Heathway/East | FSS2 | c11m 4ch | ? | Upminster (UM)? | ||
| DW | Dairycoates West | PHC | 1m 11ch | 10 June 1984 | Hessle Road Junction (HR) | ||
| DS | Daisyfield | At least 3 colour light signals | DJH | 11m 25ch | 1873 | ||
| DJ | Dalmeny Junction | 1890 | 13 May 1979 | Edinburgh (EY) | |||
| DP | Dalmuir Park | NEM5 | 10m 3ch | 20 April 1897 | 2 July 1989 | Yoker (YY) | |
| D | Dalry Junction | Formerly Dalry No 2 | AYR4 | 22m 54ch | 1906 | 6 April 1986 | Paisley (PG) |
| D | Dalston Junction | Was Dalston Western Junction to 9 August 1987 | BOK1 | 2m 21ch | 1891 | ||
| DW | Unclear whether code used | ||||||
| DWJ | |||||||
| DWJR | Banner repeater signals | ||||||
| DJ | Dalton Junction | Code used from 2008 | CBC1 | 24m 37ch | 16 April 1902 | ||
| DE | Dalwhinnie | Original code 1978-2002 | HGL2 | 58m 53ch | 17 May 1909 | ||
| DW | Code from 2002 | ||||||
| DM | Darfield Main | PED3 | 10m 54ch | 1983 | |||
| DGS | Darlaston Green Sidings | PBJ | Wolverhampton (WN) | ||||
| D | Darlington | Code from 13 May 1972 | ECM5 | 43m 70ch | 7 May 1939 | 10 May 1991 | Tyneside (T) |
| DS | Code to 13 May 1972 when named Darlington South | ||||||
| D | Down line automatic signals (until 13 May 1972) | ||||||
| RU | Up line banner repeater signals | ||||||
| U | Some up line automatic signals (until 13 May 1972; some doubt over existence) | ||||||
| DN | Darlington North | ECM5 | 44m 27ch | 13 May 1972 | Darlington (D) | ||
| DE | Darnall East Junction | MAC3 | 43m 38ch | 12 October 1969? | Darnall West (DW) | ||
| DW | Darnall West Junction | MAC3 | 43m 4ch | ? | Sheffield (S) | ||
| D | Dartford | HDR | 17m 23ch | 1 November 1970 | 17 April? 2001 | Ashford North Kent (NK) | |
| A | Automatic signals | ||||||
| DC | Semi-automatic signals controlled from Ground Frame C | ||||||
| DD | Semi-automatic signals near Ground Frame N | ||||||
| DH | Semi-automatic signals controlled from Ground Frame H | ||||||
| DJ | Semi-automatic signals controlled from Ground Frame J | ||||||
| DK | Semi-automatic signals controlled from Ground Frame K | ||||||
| DT | Daventry International Rail Freight Terminal (DIRFT) control centre | HNR | 80m 40ch | 20 April 1997 (commissioning date) |
|||
| DN | Dawdon | Codes used from 1986. To become gate box | LEN3 | 84m 22ch | 1905 | Tees Signalling Control Centre (NS) (proposed) | |
| D | Some up line signals and colliery branch | ||||||
| B | Dawdon Colliery | Bunker line signals (also had draw-ahead signals lettered A to D and W to Z with no number) |
|||||
| Dawlish | MLN1 | 206m 7ch | 9 September 1920 | 17 November 1986 | Exeter (E) | ||
| EBZ | Deal | BME2 | 90m 43ch | 1939 | |||
| DS | Deal Street | MVE1 | 0m 32ch | 10 March 1929 | 31 July 1998 | Manchester North (MN) | |
| D | DSE | 31m 18ch | |||||
| DJ | Deansgate Junction | CDM1 | 7m 6ch | 1957 | |||
| D | Dearne Junction | SMJ1 | 168m 52ch | 3 May 1981 | Sheffield (S) | ||
| SMJ2 | 17m 27ch | ||||||
| DV | Dearne Valley Colliery Sidings | 6 March 1983 | Sheffield (S) | ||||
| DY | Decoy No 1 | ECM1 | c154m 13ch | 9 September 1979 (delayed from 7 July 1979) |
Doncaster (D) | ||
| D2 | Decoy No 2 | ECM1 | c154m 22ch | 20 May 1979 | Decoy No 1 (DY) | ||
| DM | Dee Marsh Junction | WDB2 | 13m 78ch | 1930 | |||
| D | Deepcar | MAC2 | 33m 34ch | 1906 | 16 May 1983 | Sheffield (S) | |
| DJ | Deepdale Junction | PDB | 1m 31ch | ? | |||
| DW | Deep Wharf Crossing | Stop boards | TLL | 16m 68ch | 27 May 1996 | ||
| DY | Deganwy | LLJ | 1m 22ch | 1914 | |||
| DX | Denaby Crossing | PED5 | 17m 12ch | c1885 | 15 December 1981 | Sheffield (S) | |
| DT | Denton Crossing | Reduced to gate box 16 May 1971 | HDR | 1973 | Dartford (D) | ||
| DJ | Denton Junction | DJO1 | 4m 13ch | 1888 | |||
| DNJ | Some signals on up main line | ||||||
| Denton Village | Gate box: line controlled by Low Row | NEC2 | 43m 65ch | ? | 6 April 2009 (planned) | Low Row (LR) | |
| DY | Derby | SPC7 | 128m 13ch | 12 July 1969 | |||
| DR | Derby Road | FEL | c74m 67ch | 1891 | 14 March 1999 | Colchester (CO) | |
| D | Derwenthaugh | Temporary panel and code in use from 12 August 1973 | NEC1 | c3m 79ch | Newcastle (N) | ||
| WBU | Devonport Kings Road | DAC | 239m 61ch | 1890? | 14 March 1965 | Plymouth (P) | |
| D | Later code | ||||||
| Dewsnap Sidings | Code unknown but believed used | HAJ | 5m 61ch | 4 March 1984 | Guide Bridge (GB) | ||
| DE | Diggle Junction | MVL3 | 14m 59ch | 1885 | |||
| D | Unclear if code carried | ||||||
| D | Dilston | NEC2 | c18m 20ch | 31 January 1987 | Hexham (H) | ||
| Dinnington Colliery Junction | BKS | 3m 29ch | 1907 | 29 November 1997 | Worksop (WP) | ||
| DG | Dinting | Later code | HAJ | 11m 72ch | 1905 | ||
| D | Code when named Dinting Station | GWD | 0m 76ch | ||||
| D | Dinwoodie | WCM1 | 31m 66ch | ? | 3 October 1972 | Lockerbie (L) | |
| Disley | BEJ | 6m 3ch | 1906 | 30 May 1999 | Furness Vale | ||
| D | Diss | LTN1 | c95m 4ch | 5 October 1986 | Colchester (CO) | ||
| DN | Ditton | Formerly Ditton Junction | WJL2 | 183m 0ch | 18 December 2000 | ||
| DJ | Unclear whether code ever carried | ||||||
| DN1 | Ditton Junction No 1 | WJL2 | 182m 71ch | 1956 | 11 December 2000 | Ditton (DN) | |
| DN2 | Ditton Junction No 2 | WJL2 | 183m 12ch | 7 November 1960 | 11 December 2000 | Ditton (DN) | |
| Dr Days Junction | BSW | 0m 51ch | 21 February 1932 | 7 March 1970 | Bristol (B) | ||
| Dodworth | PED2 | 3m 67ch | 1959 | 10 April 1998 | Barnsley (BY) | ||
| D | Doncaster | ECM1 | 155m 65ch | 8 July 1979 | |||
| DS | Skellow interlocking | ||||||
| DG | Up Hull line automatic signal (unclear if this comes under Goole's interlocking) |
||||||
| RD | Repeater/distant signals | ||||||
| X | Arksey and Bentley Crossing signals (may be separate gate boxes) | ||||||
| C | Doncaster C Box | ECM1 | 156m 4ch | 16 September 1979 | Doncaster (D) | ||
| DN | Doncaster North | ECM1 | 156m 7ch | February 1949 | 7 July 1979 | Doncaster (D) | |
| N | Doncaster North Ground Frame [Gate 5] | ECM1 | c156m 26ch | ||||
| DS | Doncaster South | ECM1 | 155m 68ch | 9 January 1949 | 7 July 1979 | Doncaster (D) | |
| DS | Donnington Telford International Rail Freight Park | 2009 | |||||
| WFW | Dorchester Junction | BML2 | 136m 11ch | c1896 | 1986 | Dorchester South (DR) | |
| D | Distant signals | ||||||
| DWA | Distants to automatic signals | WEY | 162m 10ch | ||||
| WA | Automatic signals | ||||||
| DR | Dorchester South | Downgraded to ground frame 28 June 1970; reinstated 1985 | BML2 | 135m 56ch | 22 February 1959 | ||
| D | Dore | Formerly Dore & Totley Station Junction | DWS | c0m 50ch | January 1972? | Sheffield (S) | |
| CBK | Dorking | Code used from new | BTH3 | 22m 1ch | 15 May 1938 | ||
| CA | Automatic signals | ||||||
| DR | Dorrington | SHL | 6m 25ch | 1872 | |||
| DN | Unclear whether code used | ||||||
| DP | Douglas Park | WCM2 | 91m 51ch | 12 July 1893 | 1 March 1970 | Motherwell (M) | |
| EDB | Dover Marine | FDM | 78m 17ch | 1914 | 5 July 1995 | ||
| XTD | 76m 59ch | ||||||
| DP | Dover Priory | Code from 1980 | FDM | 77m 18ch | 1930 | 1998 | Folkestone East (YE) |
| EBW | Code to 1980 | ||||||
| DJ | Dovey Junction | DJP | c79m 3ch | Machynlleth (DJ) | |||
| SBA2 | c79m 3ch | ||||||
| DM | Downham Market | BGK | 86m 4ch | 1881 | |||
| D | Down Yard Ground Frame [Old Oak Common] | OOC1 | Old Oak Common (OO)? | ||||
| Drakelow Power Station | ? | ? | 1969 | ||||
| D | Drax | DRA2 | ? | 11 June 1972 | |||
| L | |||||||
| RD | Distant signals | ||||||
| DT | Draycott | SPC6 | 122m 20ch | 9 February 1891 | 29 September 1969 | Trent (TT) | |
| Drayton | TBH2 | 26m 48ch | 1876 | 1986 | Chichester (CC) | ||
| D | Driffield | Code used from 12 April 1987 | HBS | 19m 25ch | 1875 | ||
| DG | Drigg | CBC1 | 59m 78ch | 1874 | |||
| Dringhouses Hump Control Tower | Unclear whether same as Dringhouses South Shunters Panel | 3 March 1985 | |||||
| D | Dringhouses South Shunters Panel | ECM4 | c187m 40ch | York (Y) | |||
| DS | Droitwich Spa | OWW | 126m 26ch | 1907 | |||
| DJ | Dryclough Junction | MRB | 31m 36ch | 26 July 1970 | Halifax (H) | ||
| DR | Duddeston Road | DBP3 | 40m 41ch | 1955 | 23 August 1969 | Saltley (SY) | |
| DH | Dudding Hill Junction | CAW | 6m 3ch | 1902 | |||
| DC | Dudley Colliery | Code used from June 1962 | ECM7 | 7m 73ch | 2 December 1979 | Benton (B) | |
| D | Down line automatic signals | ||||||
| U | Up line automatic signals | ||||||
| DP | Dudley Port | RBS2 | c7m 33ch | 8 January 1966 | Birmingham New Street (NS) | ||
| Duke Street | HXS3 | 17m 65ch | 1921 | 11 March 1994 | Merseyrail (ML) | ||
| DR | Dullatur | Code used from 1966 | EGM1 | c12m 70ch | 6 June 1913 | 13 December 1971 | Greenhill Junction (GJ) |
| D | Code used to 1966 | ||||||
| DM | Dullingham | CCH | 10m 55ch | 1883 | |||
| DH | Unclear whether code used | ||||||
| D | Dumbarton | Code used from 1960 | NEM7 | 15m 75ch | 28 October 1960 | 22 February 1992 | Yoker (YD) |
| DS | Dumfries South | Code used from 1955 | GSW | 92m 46ch | 30 October 1955 | (12 April)? 1997 | Dumfries Station (DS) |
| DS | Dumfries Station | New code from 26 October 2002 | GSW | 91m 59ch | 5 May 1957 | ||
| DE | Eastriggs interlocking area from 4 August 2008 | ||||||
| D | Original code 1957-2002 (some signals remain with old code) | ||||||
| DB | Dunblane | Code used from 2002 | SCM3 | 123m 29ch | 9 June 1902 | ||
| D | Dundee | Code used from 1985 | ECN2 | 59m 17ch | 17 March 1985 | ||
| D1 | Dunford Bridge No 1 | Mileage accuracy unknown | MAC1 | 22m 35ch | ? | ||
| DE | Dunford East | Possibly same box as Dunford No 5 | MAC1 | 24m 6ch | 18 July 1981 | Line closed | |
| D2 | Dunford No 2 | Mileage accuracy unknown | MAC1 | 23m 16ch | ? | ||
| D5 | Dunford No 5 | Mileage accuracy unknown Possibly same box as Dunford East |
MAC1 | 24m 4ch | ? | ||
| DW | Dunford West | MAC1 | 22m 35ch | by 14 June 1954 | 18 July 1981 | Line closed | |
| DK | Dunkeld | Code used from 2002 | HGL2 | 15m 25ch | 1919 | ||
| DS | Dunlop Sidings | DBP3 | c37m 50ch | ? | Saltley (SY) | ||
| Dunning | SCM4 | 141m 56ch | 12 August 1951 | 1997 | Hilton Junction (HJ) | ||
| DR | Dunragit | Code used from 2002 | STR3 | 47m 72ch | 19 June 1927 | ||
| DB | Dunston & Barlow North | CHR | c147m 40ch | 12 November 1981 | Sheffield (S) | ||
| ME | Dunton Green | XTD | 20m 37ch | c1905 | 2 August 1973 | Ashford (AD) | |
| DN | Durham North | ECM5 | c66m 23ch | 23 November 1969 | Tyne Yard (TY) | ||
| U | Up line automatic signals | ||||||
| DS | Durham South | ECM5 | c66m 8ch | 23 November 1969 | Tyne Yard (TY) | ||
| DJN | Duston Junction North | Unclear if code carried | NMH | c0m 30ch | Northampton No 1 (NH1) | ||
| DY | Dyce | Reopened Dyce Junction 'box | ANI1 | 6m 11ch | 26 November 2007 | ||
| D | Dyce Junction | 2002 code | ANI1 | 6m 11ch | 1880 | 29 October 2007 | Dyce [temporary] (DY) |
| DY | Code from 14 December 2002 | ||||||
| DY | Dyce [temporary] | ANI1 | c6m 11ch | 29 October 2007 | 26 November 2007 | Dyce (DY) | |
| DJ | Dynevor Junction | RSB | 19m 22ch | ? | Port Talbot (PT) |
Introduction A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Non-National Rail