Porth

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

‹‹UP  Click below to move to adjacent box  DOWN››
Rhondda Fach Jcn North  ——  This box   ——  Rhondda Fach Jcn 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.