rail tunnel
C5444
concept
A rail tunnel is an underground or enclosed passage constructed to allow trains to travel through obstacles such as mountains, hills, or urban areas while maintaining a continuous railway route.
All labels observed (24)
| Label | Occurrences |
|---|---|
| railway tunnel | 68 |
| rail tunnel canonical | 14 |
| Alpine tunnel | 8 |
| railroad tunnel | 7 |
| subway tunnel | 5 |
| railway tunnel system | 4 |
| light rail tunnel | 3 |
| metro tunnel | 3 |
| rapid transit tunnel | 3 |
| base tunnel | 2 |
| railway tunnel complex | 2 |
| underwater rail tunnel | 2 |
| urban rail tunnel | 2 |
| S-Bahn tunnel | 1 |
| commuter rail tunnel | 1 |
| deep-level underground railway | 1 |
| rail tunnel complex | 1 |
| rail tunnel system | 1 |
| railroad tunnel complex | 1 |
| tram tunnel | 1 |
| transalpine tunnel | 1 |
| transit tunnel | 1 |
| under-river rail tunnel | 1 |
| underground railway infrastructure | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: rail tunnel
Generated description
A rail tunnel is an underground or enclosed passage constructed to allow trains to travel through obstacles such as mountains, hills, or urban areas while maintaining a continuous railway route.
Instances (118)
| Instance | Via concept surface |
|---|---|
| 14th Street Tunnel | railway tunnel |
| South Axis tunnel | — |
| Kenmore subway | subway tunnel |
| Market Street subway | rapid transit tunnel |
| Steinway Tunnel | — |
| Tunnel No. 1 (Marin County) | railway tunnel |
| Tunnel No. 27 (Eel River Canyon) | railroad tunnel |
| Spiral Tunnels | railway tunnel system |
| Connaught Tunnel | railway tunnel |
| Mount Macdonald Tunnel | railway tunnel |
| Point Richmond Railroad Tunnel | — |
| Cowlairs railway tunnel | railway tunnel |
| Transbay Tube | underwater rail tunnel |
| Potomac River tunnel | — |
| Colinton Tunnel | railway tunnel |
| Dearborn Street subway | rapid transit tunnel |
| Oakengates railway tunnel | railway tunnel |
| Robertson Tunnel | — |