Derwydd Road

Technical drawing numbers
S2131/1Record of amendments
S2131/2Locking sketch
S2131/3Mechanical locking table
S2131/4Detection table
S2131/5Electrical control table
S2131/6Dog chart
S2131/7Lever leads
S2131/12Signal box diagram

A type GW2 box, the frame was replaced in 1918 with a 33 lever VT 3bar frame.
‹‹UP  Click below to move to adjacent box  DOWN››
Ffairfach  ——  This box   ——  Cilyrychen Crossing

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.