Signalling Record Society
Diagrams and Sketches Digital Archive
In this section you will find Signal Box Diagrams and other plans relating to specific signal boxes. You will also find sketches covering a line of route and train describer documentation and standard diagrams from the 'Big Four' era.
Many of these plans were maintained and amended through several years and, for continuity across ownership and boundary changes, are listed in RailRef Line Code order.
There are some currently available for: