Technical drawing numbers
S1627/1Record of amendments
S1627/2Locking sketch
S1627/3Mechanical locking table
S1627/4Detection table
S1627/5Electrical control table
S1627/6Dog chart
S1627/7Lever leads
S1627/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Blackmill Jcn  ——  This box   ——  Tynewydd South

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 - South Wales'. For availability and ordering information, click on the image below.

This page last updated on 8th October 2010.