A Signalling DiagramNon-preferred term for Signal Box Diagram. Non-preferred term for Signalling Plan. More or display that shows the whole of the area being
controlled, usually with reduced detail.
The site for Miniature and model signalling!
A Signalling DiagramNon-preferred term for Signal Box Diagram. Non-preferred term for Signalling Plan. More or display that shows the whole of the area being
controlled, usually with reduced detail.