Technical drawing numbers
S577/1Amendment state
S577/2Locking sketch
S577/3Mechanical locking table
S577/4Detection table
S577/5Electrical control table
S577/6Dog chart
S577/7Lever leads
S577/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Twerton Tunnel  ——  This box   ——  Keynsham & Somerdale East

The diagram below is a low-resolution version to indicate the content: a full-resolution 'pdf' file will be published on CD-ROM (GW Section B, update CD). The update CD contains a redrawn or amended diagram. For availability and ordering information, click on the image below.

This page last updated on 8th February 2010.