internal railway document
C66370
concept
An internal railway document is an official record or communication produced within a railway organization to define, guide, or document its operations, procedures, standards, or decisions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| internal railway document canonical | 1 |
Instances (1)
| Instance | Via concept surface |
|---|---|
| BR Circular Letters | — |