The Signalling Record Society
RailRef Line Codes WI
Signal Fact 59
The Great Western Railway started developing its automatic train control (ATC) system with a trial in 1906.
The system was installed across the Great Western Railway between 1910 and 1930.
This page should be regarded as “Work in Progress”. The webmaster will welcome additional information for this page.
In the list below the information is set out in tabular form, spread over four columns. The column entries are -
|RailRef||The Line Code used in RailRef system.|
|Line Detail||The principal locations included within the Line Code. They are arranged in 'down' direction order. Locations shown are primarily stations and junctions to allow easy cross check against published atlases. Signal box names appear in italics where these are 'intermediate' to stations or have been shown to facilitate links from other pages on this web site. The inclusion of a station or junction name does not imply that there was always a signal box of that same name!|
|SBR||The section reference used in the relevant Signal Box Register published by the Society.|
|ELR||The corresponding Engineer's Line Reference(s). This will be blank for railways that never came within British Railways terms of reference. It will also be blank where British Railways had no surviving responsibility for infrastructure at the time the ELR system came into use.|
|WI001||Birkenhead Park - New Brighton
datum Man Island Junction
3m05c Birkenhead Park MY005(1) Birkenhead North from c1930
(2) New Brighton No.1 (1899-1913 OS maps 328840 391250)
(3) Wallasey Grove Road from 1948
CWK2: Birkenhead Park - Bidston East Junction
BEN: Bidston East Junction - New Brighton 1960 Appendix refers to a speed restriction between 4mp and station at New Brighton indicating that the mile post datum for the line was probably Birkenhead Park.
|WI002||Birkenhead North No.2 - Birkenhead Docks (M.D.& H.B.)
datum Bidston East Junction
|WI004||Seacombe Junction No.2 - Seacombe & Egremont
datum Mann Island
4m73c Seacombe No.1 Junction (1) WI001(1) Seacombe No.1 Junction (1899-1913 OS maps)
(2) New Brighton No.2 Junction (1913 RCH map)
(3) Seacombe until 1911 and from 1953
1937 Appendix refers to speed restrictions using mile post distances of 7m60c to 8m20c mile posts between Slopes Branch Junction and Seacombe & Egremont. These distances are right for a datum of West Kirby.
|WI005||Seacombe Junction No.2 - Seacombe Junction No.3|
|WI007||New Brighton Sand Sidings
end of sidingIs this New Brighton No.1 Junction to New Brighton No.2 Junction
|WI010||West Kirby - Bidston East Junction
datum Mann Island
4m40c Bidston East Junction WI001(1) Moreton Merseyside from 1980
1960 Appendix refers to a speed restriction from West Kirby to the quarter mile post indicating that mile posts ran from zero at West Kirby. Had been remiled by 1988.
|WI013||Bidston West Junction - Bidston North Junction||BDS|