Technical drawing numbers
S623/1Record of amendments
S623/2Locking sketch
S623/3Mechanical locking table
S623/4Detection table
S623/5Electrical control table
S623/6Dog chart
S623/7Lever leads
S623/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Henbury  ——  This box   ——  Hallen Marsh 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 B'. For availability and ordering information, click on the image below.

This page last updated on 8th February 2010.