Technical drawing numbers
S2811/1Record of amendments
S2811/2Locking sketch
S2811/3Mechanical locking table
S2811/4Detection table
S2811/5Electrical control table
S2811/6Dog chart
S2811/7Lever leads
S2811/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Blackthorn  ——  This box   ——  Ardley

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.