Signal box prefix codes

A (hopefully) comprehensive listing

'Boxes beginning U

Last update 1 January 2009

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
U Uddingston Junction   WCM2 93m 44ch 27 June 1937 18 September 1973 Motherwell (M)
UN Uffington   PMJ 12m 74ch 26 June 1909    
U Uffington   MLN1 66m 42ch 1897 3 March 1968 Swindon (SN)
UF
DM Down main line automatic signals
UM Up main line automatic signals
UC Ufton Crossing   BHL 43m 39ch 14 February 1943 3 December 1977 Reading (R)
UJ Ulceby (South) Junction   BRI1 100m 32ch 1910    
UN Ulverston Code used from 2008 CBC1 19m 47ch 1900    
  Uphill Junction   MLN1 138m 6ch ?? 29 January 1972 Bristol (B)
UC Unstone Colliery Sidings   TJC1     15 January 1972 Dore (D)
UR Upminster   FSS2 15m 38ch September 1994    
UGF Ground frame controlled signals
UM Upminster   FSS2 15m 38ch   17 April 1995 Upminster (UR)
D Down line automatic signals
U Up line automatic signals
UE Upminster East   FSS2 15m 44ch ? ?  
UPG 0m 5ch
UW Upminster West   FSS2 15m 15ch ? 6 February 1961 Upminster (UM)
UY Upney   FSS2 8m 9ch   27 March 1961 Barking (BK)
M Upper Abbey Mills Junction   FSS1 3m 61ch   1 May 1961 Fenchurch Street (F)
UH Upper Holloway   TAH1 2m 76ch 1985    
CCH Upper Warlingham   SCU1 15m 30ch   November 1985 Three Bridges (T) and Oxted (OD)
U Upton Park   FSS1 5m 37ch   1 May 1961 Barking (BK)
UN Urlay Nook   DSN1 7m 38ch 1896    
US Usan Code used from 2002 ECN4 28m 48ch 6 May 1906 Planned for 28 January 2008 but delayed Montrose North (MN)
UH Usworth Code used from 24 April 1982 FEP 17m 45ch 1898 1991  
U Uttoxeter Two signals only.  Last all-new mechanical 'box NSS 16m 0ch 9 January 1981    
UR New code introduced 2 January 2008

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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