Signal box prefix codes

A (hopefully) comprehensive listing

'Boxes beginning C

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
CR Cadder   EGM1 5m 35ch 27 October 1901 1 January 1999 Cowlairs (CG)
CD Unclear whether code used
CS Caersws Reduced to gate box 21 September 1988: line controlled by Machynlleth (MH) SBA2 53m 27ch 1891    
CB Calder Bridge   WAG1       Wakefield Kirkgate (K)
CJ Caldicot   SWM2 147m 6ch 1979 1 December 1968 Newport (N)
CA Gate box code
CC California Crossing Reduced to gate box 10 August 1968: line controlled by Gloucester (G) BAG2     1975  
CB Camberley Downgraded to gate box 8 September 1974 AAV c35m 25ch by 1915 27 January 1975 Feltham (F)
T Cambria Junction   CAT 3m 68ch   7 February 1971 Loughborough Junction (U)
ATL 4m 57ch
CA Cambridge   BGK 55m 35ch 17 October 1982    
CAR Repeater(?) signal on Ely West Curve
CN Cambridge North Code presumed: probably not carried BGK c55m 76ch   16 October 1982 Cambridge (CA)
CS Cambridge South Code in use in 1982 BGK c55m 37ch 20 June 1925 16 October 1982 Cambridge (CA)
CR Camden Road Junction   BOK1 5m 9ch 1896    
CD2 Camden No 2   LEC1     25 September 1965 Euston (EN)
EN Temporary code until Camden No 2 taken over by Euston
R Repeater signals
CY Camden Yard   LEC1 c1m 30ch     Euston (EN)
CM Camlachie Code used from 1960 NEM2   14 April 1907 20 September 1970 Yoker (YS)
C Campbell Road Junction   FSS1 2m 72ch      
CJ Camps Junction Reduced to gate box 23 November 1981 ECA2 c91m 61ch   24 August 1986 Edinburgh (EJ)
CL Canal Junction   ETC       Carlisle (CE)
CG Canley Gates Downgraded to shunt frame 2 July 1966: line controlled by Coventry (CY) RBS1 c95m 30ch     Coventry (CY)
  Canning St North   CCS 15m 29ch 1900    
C Cannon Street Destroyed by fire CBM 0m 20ch 27 July 1926 5 April 1957 Cannon Street temporary panel (C)
C Cannon Street [new]   CBM 0m 20ch 15 December 1957 15 April 1976 London Bridge (L)
C Cannon Street temporary panel   CBM c0m 20ch 5 May 1957 15 December 1957 Cannon Street [new] (C)
CB Canterbury East   FDM 61m 69ch c1911    
EDH Canterbury West   ACR 70m 37ch 1928    
EBT Canterbury Wye Area Control Centre   ACR 70m 16ch 15 December 2003    
C Cantley   NOL 10m 5ch 1887    
C Carcroft   DOL1 160m 7ch   7 March 1970 Skellow Junction (S)
C Cardiff   SWM2 170m 33ch 27 March 1966    
CF  
CWM Canton depot carriage washing machine signals
DB Down Barry line automatic signals
DC Down Caerphilly line automatic signals
DM Down main line automatic signals
DR Down relief line automatic signals
DT Down Treforest line automatic signals
UB Up Barry line automatic signals
UC Up Caerphilly line automatic signals
UM Up main line automatic signals
UR Up relief line automatic signals
C Cardonald Junction   AYR1 c3m 28ch 1878 3 September 1967 Glasgow Central (G)
G Temporary code until control passed to Glasgow
CS Cardross Code used from 1960 NEM7     4 November 1984 Yoker (YC)
  Cark   CBC1 13m 48ch 1952 January 1998 Grange over Sands (GS)
CN Carleton Crossing   PBN 15m 43ch 1924    
CE Carlisle   CGJ7 68m 73ch 18 February 1973    
R Repeater signals
CE3 Carlisle No 3   WCM1 c0m 55ch     Carlisle (CE)
CE12 Carlisle No 12   CGJ7 c68m 0ch     Carlisle (CE)
CE13 Carlisle No 13   CGJ7 c67m 65ch     Carlisle (CE)
DT Carlisle Yard Down Tower   KMG1 c4m 4ch 18 February 1963    
UT Carlisle Yard Up Tower   KMG1 c5m 0ch 18 February 1963    
CN Carlton Gate box: line controlled by Doncaster (D) ECM1 126m 25ch 1977    
CA Earlier code?
CJ Carmarthen Junction   SWM2 245m 10ch 1956    
CD Carmondean Junction Temporary panel NBE 28m 52ch 16 March 1986 4 May 1986 Edinburgh (EN)
CM Carmont Formerly Newmill.  Code used from 2002 ECN5 219m 38ch 1876    
CEJ Carmuirs East Junction Code from 6 July 2002 PMT 25m 79ch 3 June 1882    
CE Original code to 6 July 2002
CW Carmuirs West Junction Code used from 1975 SCM3 108m 74ch 3 June 1882    
  Carnaby   HBS 28m 54ch   22 July 1990 Bridlington (BN)
  Carnforth East Junction   SJC 0m 29ch 1902 1998 Carnforth Station Junction (CS)
CEC 0m 23ch
FMJ Carnforth Furness & Midland Junction   CBC1 0m 63ch 1896   Carnforth Station Junction (CS)
CH Carnforth No 2   CGJ7 c6m 10ch     Preston (PN)
CS Carnforth Station Junction Code used from 2008 CEC 0m 9ch 22 October 1903    
CSJ Code reported but not seen on site CBC1 0m 43ch
C Carnoustie Original code to 2002 ECN3 10m 28ch 1 May 1898    
CA Code from 2002
CP Carpenters Park   CWJ 14m 54ch   1988? Willesden Suburban (WS)
C Carr   ECM1 c154m 50ch     Doncaster (D)
C Carstairs Temporary panel.  Downdraded to Carstairs Local Signalling Panel 29 April 1973 WCM1 73m 49ch 6 August 1972 1996 Motherwell (MC)
D Carterhatch Lane Ground Frame HDT       Liverpool Street (L)
U
  Carterhouse Junction Permanently switched out 3 December 2006 SDJ2 16m 29ch 1896    
CC Castle Cary   WEY 129m 56ch   February 1985 Westbury (W)
CCL 115m 38ch
CD Castle Donnington   SSJ1 123m 18ch 28 April 1901 29 September 1969 Trent (TT)
CD Castleford   NOC 21m 22ch September 1997?    
  Castleford   NOC c21m 2ch 1882 September 1997 Castleford (CD)
  Castleford Gates   NOC 21m 22ch 1882 September 1997 Castleford (CD)
CE Castleton East Junction Code used from 2008 MVN2 8m 53ch 1963    
CM Caterham   PAT 19m 58ch   25 September 1983 Purley (CU)
EBR Catford Bridge   LCH   c1890 4 April 1971 Parks Bridge Junction (M)
C Cathcart Code used from 1961.  Some signals known with A, B or C suffix, too (e.g. C35C): these are automatic signals CNC 0m 17ch 2 October 1961    
CR Banner repeater signals
C Cattal   HAY1 10m 19ch      
CA Up home
CL also reported as Up home
  Cattybrook Siding   BSW 8m 12ch 17 July 1886 20 February 1971 Bristol (B)
C Causeway Gate box: line controlled by Swindon B (SB). "Slots" to Swindon B prefixed C within 'box only: no external C prefixes MLN1 56m 73ch 17 November 1975    
C Cave Crossing Gate box: line controlled by Broomfleet (B) HUL1 13m 60ch 1904    
CL Caverswall   NSS 4m 20ch 1942    
CB Cawburn Junction Temporary panel NBE 31m 60ch 16 March 1986 4 May 1986 Edinburgh (EN)
  Cayton Gate box HBS 48m 19ch 1908 25 June 2000 Seamer West (SW)
C Cemetery   ECM1 7m 32ch     Finsbury Park (FP)
CN Cemetery North Now appears boarded up LEN3 73m 49ch 1905    
BD Central Rivers Depot BD is "Bombardier" (depot operators) DBP1   27 December 2000    
CN Chaddesden   SPC6 127m 10ch 23 March 1907 17 July 1977 Derby (DY)
C Chadwell Heath   LTN1 c10m 20ch 26 September 1949   Liverpool Street (L)
UE Up electric line automatic signals
UM Up main line automatic signals
CS Chadwell Heath Station   LTN1 c9m 74ch   26 September 1949 Goodmayes (G)
CH Challow Ground Frame   MLN1 c63m 60ch 30 May 1965   Swindon B IECC (SB)
CP Chapel Crossing   SOY 78m 52ch c1890 11 October 1981 Eastleigh (E)
CH Chapel en le Frith   BEJ 13m 71ch 1957    
  Chapel Lane Gate box: line controlled by Parbold (PB) WBS3 24m 5ch 2000    
  Chapel Road Gate box: line controlled by Brundall Junction (BL) NAY 7m 55ch      
CJ Chard Junction   BAE2 139m 32ch 11 December 1982    
CH Charfield Code used from 20 October 1969? BGL2 113m 16ch 18 April 1909 16 May 1971 Bristol (B)
DC Down Charfield line automatic signals.  Code used from 20 October 1969
UC Up Charfield line automatic signals.  Code used from 20 October 1969
  Charing   SBJ 53m 11ch   14 April 1984 Maidstone East (ME)
CX Charing Cross   XTD 0m 21ch 27 June 1926 19 April 1976 London Bridge (L)
A Unclear if code used
C Charlestown Junction Code used from 1979 CWH1 16m 35ch c1940 7 December 1980 Edinburgh (EO)
KNE 15m 33ch
CL Charlton Lane Gate box from 15 March 1970: line controlled by St Johns (L) to 1976, thence London Bridge (L) NKL 8m 1ch 1894    
CM Chartham Reduced to gate box 2003: line controlled by Canterbury Wye Area Control Centre (EBT) ACR 67m 8ch c1880    
EBT Later code
CL Chathill Code from 1977 replacing all others ECM7 45m 78ch 1873 11 December 1990 Alnmouth (A)/Tweedmouth (TW)
C Code from March 1961 to 1977
D Down line automatic signals
U Up line automatic signals
CH Cheadle Hulme   CMP1 180m 57ch 1901 29 March 2003 Manchester South (MS)
MCH 0m 2ch
CN Cheddington   LEC1     3 July 1965 Bletchley (BY)
CH Cheetham Hill Junction   MVN1 0m 73ch 1890 15 September 1998  
CQR 0m 73ch
CD Chelford Shunt frame CMP1 172m 20ch 29 June 1959    
C Chelmsford   LTN1 29m 65ch 1899 19 October 1996 Liverpool St (L)
D Down line automatic signals
RC Repeater signals
U Up line automatic signals
KE Chelsfield Burnt out early 1971 XTD 15m 29ch   13 May 1971 Orpington (JE)
GA Cheltenham Alstone Reduced to gate box 25 November 1968: line controlled by Gloucester (G) BAG2 86m 22ch 26 May 1891    
CW Chepstow West Ground Frame   SWM2 141m 51ch      
ET Cheriton RCC   TML 7.6km 1993    
CY Chertsey Downgraded to gate box 8 September 1974 VWW 22m 19ch by 1903 22 January 1975 Feltham (F)
WFJ Original code
CJ Cheshunt Junction   BGK 13m 71ch 1891 27 May 2003 Liverpool St (L)
D Down line automatic signals
DM Down main line automatic signals
RD Repeaters to down line automatic signals
U Up line automatic signals
CR2 Chester No 2   CNH2 c178m 71ch   6 May 1984 Chester PSB (CR)
CR6 Chester No 6   CNH2 c179m 56ch     Chester PSB (CR)
CNH3 c179m 56ch
CR Chester PSB   CNH2 179m 0ch 4 May 1984    
CJ Chesterton Junction   BGK       Cambridge (CA)
CH Chettisham   EMP 73m 55ch   11 May 1992 Cambridge (CA)
CN Chevington Code from 1964 ECM7 25m 49ch   22 February 1991 Morpeth (M)
D Down line automatic signals (until 1980)
U Up line automatic signals (until 1980)
CC Chichester Formerly Chichester 'B'.  Code used from 1 December 1985 when new panel brought into use TBH2 28m 60ch 1882    
CCC Chichester 'A'   TBH2 28m 41ch   1973 Chichester (CC)
CW Chilworth   RSJ 39m 18ch   1978 Shalford (WY)
CD Chingford   CJC 10m 17ch 1920 24 June 2002 Liverpool St (L)
DC Down Chingford line automatic signals
RDC Banner repeaters for down Chingford line automatic signals
UC Up Chingford line automatic signals
CY Chinley   TTA1 168m 39ch 1980    
CM Chippenham Junction   CCH 16m 4ch c1925    
  Chipping Sodbury   SWB 104m 42ch 1 May 1903 8 May 1971 Bristol (B)
EJ Chislehurst Junction   XTD 11m 52ch 12 April 1959 31 January 1993 Ashford (AD)
VIR c12m 65ch 1983 Victoria (VS)
EDC Chislet Colliery   ACR 75m 16ch 27 May 1962 1986 Canterbury West (EDH)
  Chitts Hill Gate box: line controlled by Colchester (CO) LTN1 49m 40ch   May 2008 (planned) Colchester (CO)
WDY Christchurch   BML2 104m 21ch 1886 3 December 1972 Bournemouth (WFB)
CB Christon Bank Code used from March 1961 ECM7 42m 79ch   1977 Chathill (CL)
D Down line automatic signals
U Up line automatic signals
CP Christs Hospital   TBH1 40m 3ch 1902 16 February 2000 Horsham (CBP)
CE Church East   FHR5 c15m 10ch   7 October 1973 Preston (PN)
CF Church Fenton   NOC 10m 43ch 1904 21 April 2002 York (CF)
D Distant signals
CP Church Pit     4m 22ch from Newcastle   10 August 1980? Line transferred to Metro
CR Church Road   BAG1 43m 40ch c1922 6 September 1969 Birmingham New Street (NS)
CRR Banner repeater signals
CS Church Stretton Switched out owing to flooding c autumn 2000-June 2001 SHL 12m 54ch 1872 19 January 2004
(signal arms/lamps removed)		 Marsh Brook (MB)
CY Clachnaharry Reduced to bridge box 21 August 1988.  Believed code not carried WCK 1m 51ch c1890    
C Clacton To close: control to pass to Colchester (CO) COC 69m 42ch 1891    
WF Clapham Junction 'A' Code in use in 1936 BML1 3m 65ch 4 February 1912 25 May 1990 Wimbledon (W)
EC Clapham Junction 'B'   VTB1 2m 48ch 12 October 1952 28 November 1980 Victoria SC (VC)
WBB Clapham Junction 'C'   RDG1 4m 0ch 27 May 1911 2 November 1980 Wimbledon (W)
CY Clapham Yard Shunter's panel RDG1 3m 70ch 1990    
C Clapton Junction   BGK     29 May 1960 Hackney Downs (H)
CR Clarbeston Road Junction   SWM2 271m 9ch 1906    
CJ Clarborough Junction   MAC3 68m 32ch   12 November 1967 Thrumpton (T)
CR Clarence Road   LEN3 71m 70ch 1904    
  Claxby & Usselby   NOB3 23m 69ch     Holton le Moor (H)
CS Clay Cross South Junction   SPC9 142m 9ch   11 October 1969 Trent (TT)
CJ Claydon L&NE Junction   OXD 12m 57ch 1985    
  Clay Lane Crossing   TBH2 29m 49ch     Chichester (CC)
C Claypole Replaced by gate box on opposite side of line ECM1 115m 27ch 1875 11 July 1977 Claypole (CL)
CL Claypole Gate box: line controlled by Doncaster (D) ECM1 115m 27ch 11 July 1977    
CD Clayton Cutting   VTB3 46m 20ch   1972 Three Bridges (T)
CW Clayton West Junction   PEH 7m 67ch 1915 1989 Huddersfield (HU)
C Cleeve   BAG2 82m 79ch 19 November 1944 17 February 1969 Gloucester (G)
CH Cliff House   LEN3 70m 6ch 1958 9 July 2007 Greatham (GM)
  Clifton Down   CNX 3m 76ch by 1895 17 October 1970 Bristol (B)
CM Clifton Mill   CMR 0m 41ch?      
CR Clink Road Junction   WEY 114m 39ch 2 January 1933 6 October 1984 Westbury (W)
C Clipstone   HIM 15m 20ch 1917    
CJ
CD Clydebank Dock Junction Code used from 1959 YKR 2m 5ch 3 March 1907 2 July 1989 Yoker (YY)
CW Clyde Iron Works Reduced to ground frame 16 December 1973 RCB c0m 60ch 23 June 1957 14 December 1980 Motherwell (M)
C Cobbinshaw Code used from 1979 ECA2   5 June 1979 10 November 1981 Edinburgh (EJ)
CL Codsall   WSJ2 146m 26ch 27 November 1929 23 October 2006 Madeley Junction (MJ)
C Cogload Junction Box preserved at Coleford MLN1 158m 31ch 2 April 1906 4 April 1986 Exeter (E)
DM Down main line automatic signals
CO Colchester   LTN1 c51m 49ch 4 February 1962 December 1983 (assumed) Colchester (CO)
CO Colchester   LTN1 51m 37ch December 1983    
D Down line automatic signals
E Early controlled-signal code, replaced by CO
U Up line automatic signals
CJ Colchester Junction   LTN1 c51m 65ch     Colchester (CO)
  Colchester Road Gate box: line controlled by East Gate Junction (EG) COC 58m 6ch   2 March 2009 (planned) Colchester (CO)
CS Colchester Station   LTN1 c51m 49ch 17 September 1960   Colchester (CO)
CS Collyhurst Street   MVM 1m 9ch 1894 15 September 1998 Manchester North (MN)
CJ Colne Junction   CWJ 16m 26ch   1988? Willesden Suburban (WS)
C Colthrop (Sidings) Original code BHL 48m 76ch 12 August 1912    
RC Code from 14 January 1978 when reduced to gate box: line controlled by Reading (R) (but crossing protection controlled from Colthrop)
CH Colwich   LEC2 127m 10ch 1961 12 June 2005 Stoke on Trent (CH)
CB Colwyn Bay   CNH3 219m 45ch 1968 2 November 1991 Llandudno Junction (LJ)
CS Connington South   ECM1 67m 29ch   13 December 1975 Peterborough (P)
CN Unclear if code applied to Connington North, or if earlier code
C Cononley   TJC3 218m 22ch 1964 22 October 1994 Leeds (L)
CO Cooksbridge   KJE1   c1875 13 February 1985 Lewes (LW)
CS Cook Street Formerly West Street AYR1 c0m 20ch   4 April 1966 Glasgow Central (G)
C Unclear if code carried
CJ Coppenhall Junction   CGJ1 c161m 14ch 3 June 1961   Winsford (WD)
CP Copy Pit   FHR6 c26m 20ch   21 October 1973 Preston (PN)
- Coquelles Control Centre Can take over from Cheriton RCC in emergency TML   1994    
CG Corby Gates   NEC2 55m 54ch 1955    
CG Corby Glen   ECM1 c97m 7ch   26 April 1975 Stoke (S)
CN Corby North   GSM1 79m 25ch 1937 1996 Corby [temporary] (CN)
CN Corby [temporary]   GSM1 c79m 25ch 1996 23 August 1998 Manton Junction (MJ)
  Corkickle No 1   CBC1 73m 40ch 1958 1990s Bransty (BY)
GF Corkerhill Depot ground frame   ZZB2        
S Corkerhill shunter's bothy   ZZB2        
  Corkickle No 2   CBC1 73m 66ch 1958 1990s Bransty (BY)
CE Cornbrook Junction East   MAJ 1m 17ch   4 May 1969 Manchester Piccadilly (MP)
CD Cosford Unclear whether code used WSJ2 151m 7ch December 1938 23 October 2006 Madeley Junction (MJ)
NW Cosham   SDP2 90m 43ch by 1910 5 May 1968 Portsmouth (PW)
CC Coton Crossing   LEC2 111m 45ch   1987? Tamworth (TH)
CN One signal (CN103) taken over from Hademore
C Cottam Power Station Control Room   CPS        
CT Coulsdon North Was Coulsdon North No 1 VTB2 14m 72ch   25 September 1983 Purley (CU)
CT Coulsdon North No 2   VTB3     1937 Coulsdon North (CT)
CR Coundon Road Station Has also been plain "Coundon Road" CNN 1m 2ch 1876    
CY Coventry   RBS1 93m 63ch 16 April 1962 29 August 2007
(delayed from 9 April 2007)		 West Midlands Signalling Centre (CB/CN/LC/RC)
CYR Banner repeater signals
CR Cowbridge Road   VOG 18m 53ch 1965    
C Cowlairs Code used from 1956 EGM1 1m 71ch? 11 November 1956 25 December 1998 Cowlairs (CC)
CQ Queen St interlocking
CC Cowlairs Cowlairs interlocking.  Code used from 1998 EGM1 1m 71ch 25 December 1998    
CE Eastfield interlocking.  Code used from 1999
CG Gartshore interlocking.  Code used from 1999
CN Garnqueen interlocking.  Code used from 1999
CQ Queen St interlocking
CB Cowley Bridge Junction   MLN1 192m 52ch 1894 1985 Exeter (E)
CC Crabley Creek   HUL1 12m 57ch 1891    
CT Crabtree Crossing Reduced to gate box 1970 NKL   1949 1989 Dartford (D)
  Crag Hall Closed; reopened 31 March 1974 SSK 33m 69ch 1878    
CM Crag Mill   ECM7 52m 47ch     Tweedmouth (TW)
C Craigendoran   NEM7 c22m 58ch 4 November 1984 22 February 1992 Yoker (YC)
CN Craigendoran Code used from 1960 NEM7   1894 4 November 1984 Craigendoran (C)
C Craigentinny   ECM8     25 April 1976 Portobello (EP)
C Craigentinny CSD Code used from 1976 ECM8 c2m 45ch 22 April 1976    
CO Craigo Code used from 2002 ECN5 205m 15ch 1877    
CA Craven Arms   SHL 19m 48ch c1860?    
CY Crawley   TBH1 30m 64ch 1877 1986 Three Bridges (T)
PC Crawley Horsham Road No 7 Crossing   TBH1     1977 Crawley (CY)
CN Crediton   DAC 179m 26ch 2 June 1875    
EG Eggesford point indicators
CT Crescent   PBJ       Wolverhampton (WN)
CT Crescent Junction   ECM1 c75m 20ch   10 March 1973 Peterborough (P)
CB Crewe Bank (Shrewsbury) Switched out from 2 February 2007 SYC 31m 79ch 1943   Crewe Junction (CJ)
CY Crewe Coal Yard   CGJ1 158m 68ch 10 December 1939    
CJ Crewe Junction (Shrewsbury)   WSJ2 171m 58ch 1903    
CN Crewe North           Crewe Signalling Centre (CE)
CE Crewe Signalling Centre   LLI 158m 21ch 20 July 1985    
MD Crewe Sorting Sidings Middle Down   BHI   22 October 1961   Crewe Sorting Sidings North (NY)?
MDR Hump shunting engine release signals
MU Crewe Sorting Sidings Middle Up   BHI   22 October 1961   Crewe Sorting Sidings North (NY)?
NH Crewe Sorting Sidings North Original code BHI 157m 23ch 3 June 1962    
NY Later code
SW Crewe Steelworks At least 5 signals CNH1 159m 41ch 1935    
WDD Crewkerne   BAE2 131m 29ch 6 November 1960 26 February 1967 Yeovil Junction (YJ)
WDE Crewkerne Gates   BAE2 132m 3ch by 1900 12 November 1967 Yeovil Junction (YJ)
CD Cricklewood Depot   SPC1 5m 65ch 1979    
C Crigglestone Junction   BAH1 45m 56ch 1901   Horbury Junction (HJ)
BAH2 45m 56ch
CHS 1m 53ch
CN Croes Newydd North Fork   WSJ2 201m 42ch 1905    
CT Croft Code used from 28 July 2006 when renamed from Croft Sidings WNS 10m 4ch 1901    
CG Croftengea   BCH 19m 58ch   11 March 1973 Yoker (YD)
CW Crofton West   WAG1 c49m 42ch   9 May 1970 Oakenshaw (O)
R Repeater signals
C Cromer   WHC3 46m 35ch 1920 26 June 2000 Trowse Swing Bridge (TB)
  Crosfields Crossing   SDJ2 11m 35ch 1913    
- Crowborough   SCU1 39m 16ch 1908 January 1990 Oxted (OD)
C Crowle Central   DOW c15m 40ch   14 October 1972 Stainforth (ST)
U Up line automatic signals
CN Crow Nest Junction   WBS1 14m 62ch 1972    
  Crumpsall   MVB2 2m 38ch 1880 August 1991 Manchester Metrolink
CFB Crystal Palace 'C' One signal only, for 4 weeks SCP 7m 41ch   13 July 1969 Norwood Junction (JC)
C Culgaith   SAC 284m 55ch 1908    
CD Cumbernauld Code used from 1975 SCM3 101m 26ch c1870 1 May 1999 Cowlairs (CN)
CP Cupar   ECN2 44m 58ch      
C Unclear whether code used
CS Curzon Street No 1   RBS1     4 June 1966 Curzon Street (CS)
CS Curzon Street       1966 1990 Birmingham New Street (NS)
CJ Cutsyke Junction   CPM1 59m 0ch 1975    
CX Cuxton   PWS2 33m 40ch 1892    
CXA Semi-automatic signals controlled from Ground Frame A
CR Cuxton Road Code to 1959 VIR 30m 72ch   1968 Victoria SC (VS)
EBJ Code from 1959

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