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Southern Railway EMU Alpha Headcodes

The early Southern Railway EMU stock used an alpha route indicator which was mounted on a single width fret and clipped to the illuminated middle panel on the front of the motor or trailer driving car. With the introduction in 1941 of the 4Sub units the alpha headcodes gave way to two-digit numeric headcodes although the older stock continued to use the alpha codes until withdrawal, in some cases lasting through to the 1960s.
The following are the alpha headcodes in use on the SR and BR(S) between July 1939 and the mid-1960s.

South Western Section
Plain H Staines - Windsor (attached or detached Waterloo - Weybridge, via Brentford)
Waterloo - Hampton Court
Waterloo - Weybridge or Chertsey, via Brentford
Bar over H Staines - Windsor (attached or detached Waterloo - Weybridge, via Richmond)
Virginia Water - Chertsey or Weybridge
Waterloo - Chertsey or Weybridge, via Richmond
Waterloo - Effingham or Guildford, via Cobham
Dot over H Waterloo - Weybridge empties, via Brentford
2 dots over H Chertsey - stns on Hounslow Loop empties
Durnsford Road depot - Hampton Court empties
Effingham Junc - Guildford empties
Twickenham - Feltham empties
Waterloo - Weybridge empties, via Brentford
Waterloo - Windsor empties
Waterloo - Hampton Court empties
Plain I Waterloo - Horsham via Earlsfield and Epsom
Waterloo and Woking via Brentford and Ascot
Bar over I Waterloo and Effingham Junc. via Earlsfield and Epsom
Waterloo and Woking via Richmond and Ascot
Waterloo and Guildford via Earlsfield and Epsom
2 dots over I Ascot and Farnham empties
Chertsey - Waterloo via Weybridge and Wimbledon empties to work back passenger
Durnsford Road depot - Effingham Junc. via Epsom empties
Waterloo - Durnsford Road depot via Wimbledon C box
Waterloo - Worcester Park empties
Plain J Portsmouth - Gillingham via Epsom (special)
Specials between Central and Western sections
Specials (passenger or empty)
Bar over J Special workings on Western section (passenger or empty)
2 dots over J Empties to afterwork as J or J-with-bar (specials)
Plain L Ascot - Aldershot (attached or detached Waterloo train via Brentford)
Ascot - Reading (special)
Waterloo - Motspur Park or Chessington South
Bar over L Ascot - Aldershot (attached or detached Waterloo train via Richmond)
Waterloo - Epsom or Leatherhead
Waterloo - Reading via Richmond
Waterloo - Worcester Park
Waterloo - Effingham Junc. via Epsom empties
2 dots over L Ascot - Reading empties
Durnsford Road depot - Chessington South empties
Plain N Waterloo - Aldershot or Farnham via Earlsfield
Waterloo - Ascot via Richmond race specials
Special workings
Bar over N Waterloo - Aldershot or farnham via East Putney
Dot over N Waterloo - Alton via Earlsfield
2 dots over N Ascot race specials (empties)
Waterloo - Alton via East Putney
Special workings (empties)
Plain O Alton - Chertsey (passenger to Woking, then empty)
Waterloo - Alton via Earlsfield (Portsmouth portion in rear)
Waterloo - Bognor Regis via Wimbledon and Horsham
Waterloo - Hounslow via Brentford empties
Waterloo - Waterloo via Hounslow and Richmond
Woking - Alton (ex Waterloo - Portsmouth train)
Bar over O Chertsey - Farnham empties
Waterloo - Littlehampton via Wimbledon and Horsham
Waterloo - Waterloo via Richmond and Hounslow
2 dots over O Virginia Water or Chertsey - Woking empties
Waterloo - Hounslow via Brentford empties
Waterloo - Bognor via Wimbledon, Horsham and Littlehampton
Plain P Dorking North - Durnsford Road depot empties
Hampton Court or Shepperton - Waterloo via East Putney special
Waterloo - Wimbledon via East Putney
Wimbledon Park sidings - Wimbledon Park empties
Waterloo - Hampton Court or Shepperton via East Putney empties
Bar over P Guildford - Aldershot
Waterloo - Wimbledon Park via East Putney special
Dot over P Wimbledon - Blackfriars via Tulse Hill and Herne Hill
2 dots over P Empties via Putney
Wimbledon Park - Wimbledon Park sidings emptiesS
Plain S Waterloo - Shepperton via Earlsfield
Bar over S Waterloo - Shepperton via Richmond
2 dots over S Empties to Shepperton
Wimbledon - Victoria via Streatham and Balham Junc. empties
Plain T Waterloo - Portsmouth Harbour via Earlsfield and Worplesdon, semi fast not stopping at Havant
Waterloo - Windsor via Brentford
Waterloo - Woking via Earlsfield
Bar over T Twickenham - Chertsey
Waterloo - Virginia Water via Weybridge
Waterloo - Windsor via Richmond
Weybridge - Chertsey or Virginia Water
Dot over T Waterloo - Portsmouth Harbour via Earlsfield and Worplesdon, semi fast, stopping at havant
2 dots over T Empty to work passenger Twickenham - Chertsey
Portsmouth Harbour - Woking (to couple to Alton train)
Virginia Water or Chertsey - Woking empties
Waterloo - Portsmouth Harbour empties
Waterloo - Woking via Earlsfield
Waterloo - Portsmouth Harbour via Woking, slow, with rear to Alton
Plain U Waterloo - Twickenham via Teddington special
Special duties
Bar over U Twickenham - Waterloo via Teddington special
Specials
Worcester Park - Portsmouth special emptiesS
2 dots over U Twickenham - Victoria via Wimbledon and Streatham special
Special empties
Wimbledon Park sidings - Wimbledon Park sidings via Teddington, Twickenham, Clapham Junc. and reverse (to turn stock)
Plain V Durnsford Road depot - Waterloo (passenger from Earlsfield)
Waterloo ML - Waterloo WL via Earlsfield, Teddington and Richmond
Bar over V Waterloo WL - Waterloo ML via Richmond, Teddington and Earlsfield
2 dots over V Waterloo - Strawberry Hill via Earlsfield empties
Waterloo - Strawberry Hill via Richmond empties
Waterloo - Teddington via Earlsfield empties
Durnsford Road depot - Teddington or Strawberry Hill empties
Kingston or Shepperton - Strawberry Hill empties
Ascot - Woking empties
Plain inP Alton - Woking (if coupling to Portsmouth train)
Portsmputh & Southsea - Waterloo slow, if coupling at Woking
Waterloo - Portsmouth & Southsea via Earlsfield and Woking with rear to Alton, detached at Woking, slow
Empties to/from Durnsford Road depot including various to/from Lancing works
Wimbledon Park sidings - Epsom Downs via Mitcham Junc (races)
Woking - Portsmouth & Southsea slow (detached from Alton train)
Bar over inP Waterloo - Portsmouth & Southsea via Earlsfield slow
Waterloo - Kingston via Richmond
Empties
Dot over inP Waterloo - Portsmouth & Southsea via Earlsfield and Worplesdon fast, calling at Havant
2 dots over inP Waterloo - Portsmouth & Southsea via Earlsfield and Worplesdon semifast, not calling at Havant
Empties
Plain inV Kingston - Strawberry Hill
Waterloo ML - Strawberry Hill via Earlsfield
Bar over inV Waterloo WL - Strawberry Hill via Richmond
2 dots over inV Effingham Junc - Farnham via Guildford empties
Special empties

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This page was last updated 3 December 2002

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