Signal box prefix codes

A (hopefully) comprehensive listing

'Boxes beginning Y

Last update 17th October 2008

To see the railway index, please click here ----->>.

Please select a starting letter from the links below:

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
YD Yalding   PWS1 38m 19ch 1894 June 1986 Wateringbury (WB)
Y Yarmouth Vauxhall   NAY 18m 12ch 1884    
RBY 20m 29ch
  Yate Main Line Downgraded to ground frame on closure BGL2 119m 54ch 9 March 1886 19 October 1969 Yate South (YS)
YS Yate South Codes used from 20 October 1969 BGL2 119m 74ch 1 March 1908 8 May 1971 Bristol (B)
DC Down Charfield line automatic signals
UC Up Charfield line automatic signals
YW Yatton West Code used from 6 December 1971 MLN1 130m 35ch ?? 29 January 1972 Bristol (B)
  Yaxham   NOE 9m 41ch c1882 ?  
Y Yaxley   ECM1 c72m 55ch (or 72m 39ch?)   28 April 1973 Peterborough (P)
YJ Yeovil Junction   BAE2 122m 31ch 1909    
YP Yeovil Pen Mill Code as stated on signalling plans WEY 141m 22ch 1937    
YPM Code used "on the ground"
CU-D Yoker Proposed College interlocking City Union lines down direction signals.  Code shown on plans for Larkfield link YKR 2m 4ch 2 July 1989    
CU-U Proposed College interlocking City Union lines up direction signals.  Code shown on plans for Larkfield link
QL-D Proposed College interlocking Queen St Low Level lines down direction signals.  Code shown on plans for Larkfield link
QL-U Proposed College interlocking Queen St Low Level lines up direction signals.  Code shown on plans for Larkfield link
SL-D Proposed College interlocking Strathbungo lines down direction signals.  Code shown on plans for Larkfield link
SL-U Proposed College interlocking Strathbungo lines up direction signals.  Code shown on plans for Larkfield link
YC Craigendoran interlocking.  Code used from 1992
YD Dumbarton interlocking.  Code used from 1992
YF Finnieston interlocking.  Code used from 1989
YH Hyndland interlocking.  Code used from 1989
YS Sunnyside interlocking.  Code used from 1991
YY Yoker interlocking.  Code used from 1989
YYR Yoker interlocking banner repeater signals
CF York [IECC] Former Church Fenton lines ECM4 188m 38ch 14 May 1989    
L Former Leeds lines
S Former Stourton lines
Y  
Y York [PSB]   ECM4 188m 39ch 9 April 1951 11 May 1989 York [IECC] (Y)
D Down direction automatic signals
U Up direction automatic signals
Suffix indicated line, e.g. U2L Leeds lines, U2N Normanton lines
Y Yorkshire Main Colliery Downgraded to shunters cabin 30 April 1977 YMC       Line closed
YYN York Yard North   HOS       York (Y)
YYS York Yard South   HOS 0m 25ch 1962 11 May 1989 York (Y)
YM Ystrad Mynach   CAR 13m 33ch c1890    

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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