|Technical drawing numbers|
|S187/1||Record of amendments|
|S187/3||Mechanical locking table|
|S187/5||Electrical control table|
|S187/12||Signal box diagram|
|‹‹UP Click below to move to adjacent box DOWN››|
|Colthrop Siding||—— This box ——||Thatcham West|
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.