Signal box prefix codes

A (hopefully) comprehensive listing

'Boxes beginning E

Last update 1 January 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

- - c o n t a c t - m e - -

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
  Eagle Crossing   DPJ 2m 21ch 1970 1993?  
ES Earles Sidings   MAS 165m 20ch 1929    
WFK Earley   RDG2     1973 Wokingham (WM)
A Automatic signal
WG Earlsfield   BML1 5m 45ch   13 November 1966 Wimbledon (W)
CR Earlswood   VTB2 21m 36ch 1905 2 July 1983 Three Bridges (T)
RED2 23m 15ch
E Earsdon Planned closure mid-1960s: control would have been to Holywell BNE 2m 53ch   1985 Newsham South (N)
R Mechanical distant signals EJM 7m 8ch
  Easington   LEN3 80m 35ch 1905   Dawdon (DN)
EB East Boldon Code used from October 1984 LEN3 93m 22ch c1870 11 January 2002 Tyneside (T)
E Eastbourne Original code KJE3 23m 59ch 1882    
EB Later code
CW East Croydon Code in use in 1955 VTB2 10m 37ch 8 May 1955 7 April 1984 Three Bridges (T)
CA Automatic signals
CW East Croydon North   VTB2 10m 30ch?   8 May 1955 East Croydon (CW)
EF East Farleigh   PWS1 42m 76ch 1892    
E Eastfield [Peterborough]   ECM1 77m 2ch 1893    
QC Eastfields Road Crossing   BTH1     28 June 1981 Victoria SC (VC)
EG East Gate Junction   COC 53m 14ch 1924 2 March 2009 (planned) Colchester (CO)
E Earlier code
D Down line automatic signals
RD Down line automatic repeater signals
RU Up line automatic repeater signals
U Up line automatic signals
EH East Ham depot control room   FSS1        
H1 East Ham No 1   FSS1 6m 6ch   May 1959 East Ham No 2 (H2)
H2 East Ham No 2   FSS1 6m 32ch   7 May 1960 (part):
1 May 1961 (remainder)		 Barking [LUL] (FF) (part);
Barking (BK) (remainder)
EH East Holmes   SPD3 82m 60ch 1873 31 August 2008 (planned) Lincoln Control Centre (LG)
ZW Eastleigh   BML1 c73m 17ch 6 November 1966 1981 Eastleigh (E)
E Eastleigh Code from 1981 BML1 73m 17ch September 1981    
EH Worting Junction-Southampton Parkway (some signals may still carry code E).  Wrong direction signals carry suffix X, and their repeaters XR (e.g. EH269XR)
GF Ground frame controlled signals in LHS/Back Road sidings
WA Automatic signals
  Eastleigh C   BML1 73m 7ch 1918    
  Eastleigh DEMU Depot   EYD 74m 32ch 7 July 1968    
ETF 74m 25ch?
E East Linton   ECM8 23m 54ch   21 November 1977 Edinburgh (EF)
ELJ East London Junction   LTN1       Liverpool Street (L)?
CB East Midlands Signalling Centre Chesterfield to Barrow Hill.  Code used from 1 September 2008     6 August 2007 (Temporarily in Trent PSB)    
CS Chesterfield to Sheffield.  Code used from 1 September 2008
DC Derby to Chesterfield.  Code used from 1 September 2008
PK Pye Bridge to Kirkby Lane End Junction
RT Radford to Trowell
TC Trent to Chesterfield.  Code used from 1 September 2008
TT Trent to Trowell
WBE East Putney   PPW 5m 64ch 1889? 24 September 1990 Wimbledon (W)
  Eastrington   HUL1 19m 25ch   26 October 1997 Gilberdyke Junction (G)
MU East Usk Mechanical signals SWM2 157m 2ch 16 April 1961
(or 9 December 1962?);
Converted from ground frame February 2000		    
EU At least one signal
M At least one signal
U Panel signals
  Eastville Reduced to gate box 1973 GRS3 116m 78ch 1889 5 March 1989 Bellwater Junction (BJ)
B Ebbw Junction   SWM2 160m 11ch 1898 19 May 1963 Newport (N)
ES Eccles   DSE 27m 59ch 1933    
EC Eccles Crossing   HXS3 10m 78ch 1912 11 March 1994 Merseyrail (ML)
EW Ecclesfield West   SHB 164m 24ch 1896 10 April 1998 Barnsley (BY)
ER Eccles Road   ETN 104m 44ch 1883    
EE Edale   MAS 169m 23ch 1893    
EV Eden Valley   CGJ7 c47m 78ch     Carlisle (CE)
EL Edge Lane   SCT1 c0m 51ch   Destroyed by fire 1988 Liverpool Edge Hill (EH)
EY1 Edgeley Junction No 1 Later code CMP1 182m 36ch 1884    
EJ Earlier code
EY2 Edgeley Junction No 2   CMP2 182m 54ch 1884    
E2 Unclear whether code used
E Edinburgh Edinburgh interlocking.  Code used from 1976 ECM9 0m 7ch 3 October 1976    
EA Prestonpans interlocking.  Code used from 1977
EB Ladybank interlocking.  Code used from 1980
EC Cowdenbeath interlocking.  Code used from 1981
ED Dunbar and Oxwellmains interlockings.  Code used from 1976
EF Drem interlocking.  Code used from 1977
EG Grantshouse interlocking.  Code used from 1977
EH Haymarket interlocking.  Code used from 1975
EJ Midcalder Junction interlocking.  Code used from 1981
EK Kirkcaldy interlocking.  Code used from 1980
EL Linlithgow interlocking.  Code used from 1979
EM Monktonhall interlocking.  Code used from 1977
EN Newbridge interlocking.  Code used from 1978
EO Townhill and Charlestown interlockings.  Code used from 1980
EP Portobello interlocking.  Code used from 1976
EPR Portobello interlocking banner repeater signals
ER Markinch interlocking.  Code used from 1980
ES Slateford interlocking.  Code used from 1977
ET Thornton and Redford interlockings.  Code used from 1980
EU Burntisland interlocking.  Code used from 1979
EV Inverkeithing interlocking.  Code used from 1979
EVR Inverkeithing interlocking banner repeater signals
EW Winchburgh interlocking.  Code used from 1979
EY Dalmeny and North Queensferry interlockings.  Code used from 1979
RE Former repeater signals (now superseded by suffix BR)
WW Effingham Junction   NGL c21m 25ch 12 July 1925 20 April 1969 Guildford [panel] (WX)
EN Egginton Junction   NSS 26m 69ch 1877    
WFG Egham Downgraded to gate box 8 September 1974 RDG1 21m 7ch   3 February 1975 Feltham (F)
E Elderslie No.1 Formerly Canal Junction AYR3 c8m 49ch 20 December 1908 6 October 1985 Paisley (PE)
E Elgin Formerly Elgin West.  Code 2002-2003 ANI2 11m 74ch 4 April 1951    
EL Code from 11 January 2003
E Elland   MVN2 31m 61ch 21 May 1958    
U Up line automatic signals
(thought that down line indicates to Brighouse)
  Ellesmere Port No 1   HHJ 2m 71ch   4 October 1971  
  Ellesmere Port No 2   HHJ 3m 26ch      
  Ellesmere Port No 3   HHJ 3m 34ch      
EP Ellesmere Port No 4 Now known as Ellesmere Port HHJ 3m 70ch 1972    
  Ellesmere Port No 5   HHJ 4m 43ch      
EBP Elmers End   LCH     1975 London Bridge (L)
EC Elmhurst Crossing   LEC2 c118m 22ch     Lichfield Trent Valley Low Level (LD)
EL Elmswell Demolished 1986 CCH c37m 13ch     Colchester (CO)
E Elmton & Creswell Junction   PSE 149m 37ch 1946    
EC
E Elsecar Junction Mileage accuracy unknown PED3 11m 15ch      
  Elsenham Reduced to gate box 11 December 1983 BGK 35m 45ch     Cambridge (CA)
E Elsham   DOW 31m 34ch 1885 3 March 2003 Elsham [temporary panel] (EM)
EM Elsham [temporary panel]   DOW 31m 34ch 3 March 2003 1 November 2004 Elsham (EM)
EM Elsham Reopened original 'box following rebuilding DOW 31m 34ch 1 November 2004    
E Elvanfoot Code used from 1972 WCM1 52m 45ch 14 November 1916 20 July 1972 Abington (A)
ED Ely Dock Junction   BGK 69m 73ch 1928 4 May (or 10 April) 1992 Cambridge (CA)
SOB 12m 27ch
ENJ Ely North Junction   BGK 71m 63ch 1926 4 May (or 27 April) 1992 Cambridge (CA)
ESN Ely Station North   BGK 70m 38ch 1880 4 May (or 10 April) 1992 Cambridge (CA)
ET Enfield Town   ENT 10m 40ch 1905 26 November 2001 Liverpool St (L)
D Down line automatic signals
RU Repeaters to up line automatic signals
U Up line automatic signals
ES Engine Shed Junction   WCR       Liverpool Edge Hill (EH)
EJ Engine Shed Junction   SPC1 c1m 66ch   5th December 1981 West Hampstead (WH)
E Engine Shed Junction   TJC3 c195m 20ch     Leeds (L)
ES1 Engine Sidings No 1   SPC8 127m 75ch 18 December 1892 12 July 1969 Derby (DY)
ES2 Engine Sidings No 2   SPC7 c127m 57ch 23 March 1890 8 February 1987 Derby (DY)
CBF Epsom   BTH2   1928 29 July 1990 Wimbledon (W)
EN Erdington   ALC1 2m 16ch   12 October 1992 Aston (AN)
REN Distant signals
- Eridge   SCU1 35m 51ch 1880 1990 Oxted (OD)
ER Errol Code used from 2002 SCM5 10m 44ch 1877    
E Eryholme Codes used from opening ECM5 38m 74ch 11 June 1939 13 May 1972 Darlington (D)
D Down line automatic signals
U Up line automatic signals
EO Esso Sidings   DBP3 c38m 20ch     Saltley (SY)?
EN Euston   LEC1 0m 14ch 27 September 1965 August 2000 Wembley Main Line (WM)
REN Repeater signals
EV Everton Gate box ECM1 46m 31ch 26 July 1976   Peterborough (P)
E Evesham   OWW 106m 76ch 15 March 1957    
ES Exchange Sidings Shunter's Cabin [Dagenham]   - 316.730km   26 November 2006 Upminster (UR)
ES Exchange Sidings [West Midlands]   RBS1 c111m 46ch   23 August 1969 Saltley (SY)
ESR Repeater signals
E Exeter   MLN1 194m 0ch 1 April 1985    
DM Down main line automatic signals
DT Down Torbay line automatic signals
UA Up Athelney line automatic signals
UM Up main line automatic signals
UT Up Torbay line automatic signals
WDJ Exeter Central 'A'   BAE2 171m 33ch 15 June 1927 6 May 1985 Exeter (E)
  Exeter West   MLN1 194m 4ch 1913 6 May 1985 Exeter (E)
EJ Exhibition Junction Originally named Edge Hill No 13 WCR   1929   Liverpool Edge Hill (EH)
  Exminster   MLN1 198m 59ch 9 June 1924 17 November 1986 Exeter (E)
WDH Exmouth Junction   BAE2 170m 21ch by 1906 15 November 1959 Exmouth Junction (EJ)
EJ Exmouth Junction   BAE2 170m 21ch 17 November 1959    
  Eynsford   SBJ 20m 32ch 9 November 1932 21 February 1971 Victoria SC (VS)
  Eyton Crossing Gate box WSJ2 c178m 63ch     Crewe Junction (CJ)

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

 

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