Sub-Surface lines
E1721435
UNEXPLORED
The Sub-Surface lines are a group of London Underground routes that run mostly in shallow cut-and-cover tunnels and on the surface, using larger-profile trains than the deep-level tube lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sub-Surface lines canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.