|Technical drawing numbers|
|S21/1||Record of amendments|
|S21/3||Mechanical locking table|
|S21/5||Electrical control table|
|S21/12||Signal box diagram|
|‹‹UP Click below to move to adjacent box DOWN››|
|Southall East Junction|
|—— This box ——||Southall West Junction|
The diagram below is a low-resolution version to indicate the content: a full-resolution 'pdf' file will be published on a CD-ROM entitled 'Great Western Railway Signal Box Diagrams - Section A'. For availability and ordering information, click on the image below.
This page last updated on 5th February 2010.