Twerton Tunnel

Technical drawing numbers
S576/1Amendment state
S576/2Locking sketch
S576/3Mechanical locking table
S576/4Detection table
S576/5Electrical control table
S576/6Dog chart
S576/7Lever leads
S576/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Bath Goods  ——  This box   ——  Saltford

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.